White smoke coming out of tailpipe. * possibly clogged exhaust component(s) causing the turbo to run incorrectly. Turbo speed problems are also associated with *speed sensor bad. My uneducated guess makes me think it's the turbo so really, i'm just interested to know if anyone knows what the early warning signs are for Turbo unit that's about to bite the bullet Also, the car seems to drive fine, no funny jerkyness, no funny smells - just an odd noise. all reassembled the turbo is still leaking , although nowhere NEAR as badly. The Most Common Symptoms of Bad Spark Plugs Starting Trouble. You hear this sound best when the vehicle is cold, or when sound bounces back to you from another car or wall. What Are Possible Symptoms of Bad Diesel Fuel? As my black smoke/no power symptoms 1995 E300D Weak Acceleration, Black Smoke above 2500 rpm came at roughly the time I filled up the tank for the first time, it made me curious what symptoms people have seen as the result of BAD FUEL (other than the obvious symptoms of contaminants clogging filters). The exact symptoms are dependent on how bad the condition of the ignition coil actually is. The tech told me the factory must have had a bad run of bearings. When this hose is loose, dirt or other foreign material can get absorbed by the turbo mechanism and then even get pushed all the way to the engine's combustion chambers. I'm thinking about replacing the turbo now, I worry about engine damage that might happen if I let it go until failure. RE: Signs of an injector pump going bad When mine died it did so "gracefully". This is just above the electrical in tank low pressure fuel pump. Often a defective turbocharger is the consequence of some other primary engine defect which cannot be cured just by replacing the turbocharger. The complaint from the operator was a hot running engine and there was a lack of power. The most common symptoms of a malfunctioning MAS sensor include: • The engine is hard to start or has trouble turning over. A bad torque converter, in MY OWN experience, will cause the car to have next-to-no-power at lower speeds, along with a 'clicking' noise coming from under the vehicle (stator slippage within the TCC). Symptoms: Probably the biggest symptom is hitting FCO (fuel cut off) prematurely. The FSI engine can have issues related to the PCV valve. A loud whining noise, excessive oil consumption, loss of power, and a vehicle that smokes can be symptoms of a failing turbo. 8, 135,000 miles. This pressure is created by the turbocharger and changes with Accelerator Pedal Position (APP) and engine speed. The symptoms of stuck vanes are lack of power, black smoke and hesitation on acceleration. Symptoms of Bad LH 2. Torque converter clutch that. Below are the top 5 symptoms which can be attributed to a bad ignition coil. Has anyone else heard of this problem? I wonder if there are any with this problem and have had it misdiagnosed. Identifying a Worn Out Wastegate Actuator. Bad Turbo Symptoms Loud Siren Noise. I took the truck for a test drive as I graphed the data with my Snap-on Modis. Symptoms can include overboost and fuel cut, or low boost. Surging idle could be caused by a bad FPR. The primary function of a turbo is to make your car more powerful. Failure Symptoms:. But when you get off the gas, the throttle plate slams shut, intake air has no place to go and you get a big pressure spike that, in effect, is slammed back into the turbine blade. The problem with the old single wire sensors is that they ground through the engine and when that ground goes bad the resistance goes to infinity. Fuel injector issues can become apparent with many different symptoms including problems with the car starting, idling problems, a failed emissions test, generally poor car performance and an inability to reach high revolutions per minute, or RPMs. If your Cell is transparent, you will be able to see a white metallic buildup on the plates of a corroded Cell. What are the symptoms of the wastegate pin problem? I have been having an issue with high boost for a while now, and have been unable to track it down. The symptoms are as follows: When I am cruising on the freeway at about 2650 rpm, the truck will suddenly not be able to accelerate or maintain speed. Expression of Interest for the Sale of Surplus Machinery and Equipment (Tale Quale) – CLOSED; Call for proposals for an Artistic Expression/s at City Gate, Valletta – CLOSED. Diesel fuel requires an adequate air ratio in order to perform as it should from the factory. I thought i'd blown the turbo as it wasn't working at all. It feels like the engine is about to stall out. If you're gas pedal vibrates while driving, especially during acceleration, this is a good indication of an exhaust leak. Some common symptoms of a faulty air flow sensor: * Reduced drivability, cutting out when the engine speed drops (approaching bends etc) * Loss of Power, turbo lag on turbo applications * Excessive Black Smoke on diesel applications * Reduced fuel economy and lumpy running * Can feel like you are hitting a brick wall like a rev limiter etc. This is a serious problem for many people and new studies show that fungus in the body causes cancer. Like an intake leak, which could also cause low or no boost. Causes and Symptoms of a Bad Intake Air Temperature (IAT) Sensor An IAT sensor is an important component that is needed while starting up a vehicle's engine. The element now has a 3" pleat, and the air cleaner cover has a post to keep the element in position. For example, if the valve gets stuck in the closed position or clogs, you’ll notice one or more of these symptoms: Increase in internal engine pressure; Failure of one or more oil seals or gaskets; Engine oil leaks; Moisture and sludge buildup inside the engine. Excessive Exhaust Smoke. Just wondering if there are any signs or symptoms that the turbo is getting ready to go? I have a 05 with 19k miles and from the post I've been reading it's just a matter of time until it goes. Re: what are the symptoms of a blown turbo? are you running a stock DV with a 2871r? even if your not I would just replace it, as soon as you even chip your car then older stock ones fail, get a 710n or a forge etc and see if it fixes it they arnt that expensive especially compared to a turbo. Here, you will get a brief idea of what a torque converter is and some of the most common ways to tell if yours is going bad. My car hesitates and bucks when building boost. Accelerating up a hill, lost all boost. You hear this sound best when the vehicle is cold, or when sound bounces back to you from another car or wall. * possibly clogged exhaust component(s) causing the turbo to run incorrectly. 8T Common Troubleshooting Guide 3 of 6 5/14/06 1:12 PM Ignition Coils – These are famous parts for the 1. Odds are nothing is going to happen but it does open the door for things to wiggle apart and cause problems. Usually, surging, oil leakage or significant decrease in boost pressure. But, Can also be confused with the same symptoms caused by issues with your ignition or fuel injection systems. Some signs of bad turbos Some signs of turbo failure:. But nothing really badsometimes when I come to a stop and push the clutch in with the RPMs up a little, the RPMs will cycle up/down a few times before finally settling down. What are the unique, detailed. That means that TONS of used Duramaxes are running around with old, leaky injectors in them. But when you get off the gas, the throttle plate slams shut, intake air has no place to go and you get a big pressure spike that, in effect, is slammed back into the turbine blade. bad turbo I have a 2012 chevy cruze with 90,000 miles on it. Faulty Turbocharger and Bad Air to Fuel Ratio. car actually ran worse with the dizzy (summit brand) i used a stock dizzy off my brother mustang to confirm the summit dizzy was a piece of crap. It doesn't seem to surge while accelerating or decelerating. bad fuel pressure regulator is when you loose pressure in the rail right when you shut off the car. I'm not blowing any smoke at all but I do hear a sound like if I had a loud electrical motor. 2006 F350 6. Hi all, I have an 2002 2. so lets get into the c15 twin turbo acert motor. Once you’ve done that, you’ll need to remove the air filter to gain access to the turbo. Is your main fuel pump making any abnormal noise (ie: whining)? Typical failure modes: 1) Vacuum diaphragm gets a pin-hole leak which allows gasoline to get sucked through the vacuum system --> into intake manifold = extra fuel. At 70,000 miles it needed a sensor for the exhaust and I had to start adding coolant monthly. I'm not sure of the symptoms it will have. The joint-pipe is the pipe that connects the header to the exhaust inlet of the turbocharger. 4 especially around 90-100K miles. Candida & Yeast Symptoms. DISA stands for the German “ Differenzierte Sauganlage ” which basically means Differentiated Intake, and the valve for it is often called (at least in our catalog) an Intake Manifold Adjusting Unit. Could be my imagination, but it seems to be worse in hot weather - not good since we are in central Florida. These are all my symptoms that were caused by the EGR Valve being stuck open. S4 / RS4 (B5 Platform) Discussion - Symptoms of a bad diverter valve??? - My S4 seems to have lost power in higher rpm ranges but still has good torque. From what I have read, this sounds like the FCA to me (again, based solely on what I have read). You will need to get that fixed. vongeist - Sunday, October 24, 2010 7:16 AM: ok. 4 Powerstroke and 6. Its purpose is to seal the cylinders. Noise AND vibration are bad turbo symptom #2 The loud noise and vibration are caused by damaged turbine blades Damaged …. This video shows what a bad turbo looks like. They also said the crank position sensor might be bad, but they don't want to make that call until they get it running. The element now has a 3" pleat, and the air cleaner cover has a post to keep the element in position. Information about diagnosing and repairing head gasket problems in Subaru 2. I do not believe there are symptoms of bad pulse dampeners (just downstream of ABC pump). 3 IDI Motors), 7. We've put together a quick guide explaining how the Volvo PCV breather system works , symptoms of a clogged breather system, and how to inspect it. Diesel fuel requires an adequate air ratio in order to perform as it should from the factory. But there could be many other problems will also have those symptoms. I couldn't even get it to rev much past 4000 RPM if I tried. Welcome to Mazdaspeed Forums. The problem was faulty crankshaft bearings. Cat has bad exhaust sleeves that crumble apart and the chunks go through the turbo taking out pieces of the fins. This turbo had a bad seal on the exhaust side. This video shows what a bad turbo looks like. BTN Turbo is one of the UK’s largest independent turbo distributors. Re: Symptoms of Bad Transmission Oil Pump? Yes, it could be; but are you sure that the oil level is right? I know you've probably checked it already, but a low oil level will cause pretty much the exact same problem (and sometimes the dipstick will give improper readings if the transmission isn't at the right temperature). If the turbo 'seals' (they're actually like mini piston rings) were bad, it would be dumping oil in the exhaust. Make an appointment to get your starter fixed at Pep Boys today. Meaning it's not going to last forever. MAP sensors fail by getting clogged, contaminated, or damaged. Symptoms of Bad LH 2. There are a number of symptoms that can point to your Crankshaft Position Sensor failing. Vacuum Leak Symptoms: Difficulty Starting Engine. For the people that have had VP44's go bad, what were your symptoms??? Did it just go out all at once? Did it run bad?? Do the pumps either work or don't work with no in-between? I am hoping that it isn't the VP44, but I have a truck, with 14psi of fuel at VP44, that sometimes starts and sometimes doesn't. And, you must visit the car workshop in order to find the symptoms. From what I have read, this sounds like the FCA to me (again, based solely on what I have read). I had the downpipe off at the shop to replace the turbo return hose (was leaking and was in bad shape) and the techs pointed out that my turbo had a noticeable amount of in and out play, like I could hear it clicking and see it moving from a few feet under and away, no side to side shaft play at all. I'm thinking about replacing the turbo now, I worry about engine damage that might happen if I let it go until failure. The turbo was taken off and checked at a turbo specialist who found no faults whatsoever, the oil feed line and oil return pipe were changed along with the gaskets as a diagnostic / process of elimination measure. When one is in doubt about whether the low performance of his or her vehicle is due to choked catalytic converter or not, smelling the vehicle fume to detect this odor is useful. Welcome to Mazdaspeed Forums. As in any diesel engine with a failing turbo, its symptoms would be low power and acceleration with lots of black smoke coming out of the tailpipe and high exhaust gas temperatures. You could go 100k miles, or 10k miles between failures. Their subsidiary company, Cummins Turbo Technologies is the producer of their Holset brand of turbochargers. If your unit has screws or bolts,try to tighten them. after replacing Turbo and charging me $508 labor they told me my that the EGR valve was sticking and the V pod harness and main wiring harness was bad and that if I didn't get these repaired they weren't going to warranty another Turbo. This sensor takes advantage of this unique property. Was running fine then all of a sudden the truck became sluggish and registered no turbo pressure or pressure sometimes. At first this may be a quiet "whirrr" type whistle, but as the bearings begin to fail the sound will get progressively louder. (Truck just died! no reason!) There is no timeline, no precursor, no warning. and i didnt like the quality (came with a honky TFI module out of box) and i didnt like the fit in the block etc etc. JM Turbo Technology Corp. In these trucks, in the stock configuration, your crankcase ventilation goes into the turbo and it takes the excess smoke through the turbo. DSM 14b 16g Turbo Internal Wastegate Actuator Simple Ways How to Test for a Bad Wastegate Actuator: Stretch the Wastegate Actuator Rod Open with Your Hand, While the Wastegate Actuator is In this Position (Open position) Then Put your thumb Over the Nipple to not Allow air to Leave the Wastegate Actuator. 6 Common Symptoms of a Bad Transmission Valve Body. Don't drive with the turbo blowing oil as it will clog the cat converter! When the engine is cold you can take the rubber hose off the intake side of the turbo and see if the shaft has excessive play, or is frozen. One set of blades is set in the engine's exhaust and the other in the air intake manifold. 3 Powerstroke is failing or bad:. Clean or replace the turbocharger supply lines or fittings. all that just to ask; what would happen if i switched the reference and speed sensor wiring? would it just blow the relay or damage the sensors?. Symptoms of a Faulty Throttle Position Sensor. My turbo wagon had a pretty clogged cat before I had it (COUGH!)removed(COUGH!). If all the memory modules appear bad, then the problem is likely with the memory slot itself. Any unusual noise under coupled with any of the above symptoms could be turbo failure. Symptoms of a bad or failing MAP sensor include: 1. The FSI engine can have issues related to the PCV valve. If you believe that an injector has failed, do the screwdriver test and listen for the clicking noise an injector makes as it fires. Just hasn't seem quite as peppy I suppose, but I thought it just might have been because I've been spending a couple trips in some buddy's quicker BMW. 1100 4-Stroke Discussion (5/5/2011) With the big buzz revolving around Arctic Cats 1100 4-stroke engines for 2012, I recently talked with Cord Christensen, Four Stroke Engine Group Leader at Arctic Cat, about the engine and some of the elements associated with it. See also Engine Failure/No Start: Bad ECU Common symptoms of a failing LH injection module: Engine will not run at idle Air-fuel mixture is too rich (this can damage catalytic converters) No fuel pump operation, butthefuel pump operates when its relay is jumpered between pins 30 and 87/2. Enter a few parameters for your engine and your horsepower goal and in a matter of seconds, the Garrett® Boost Adviser will provide you with the turbochargers that. Phase 1 engines: Phase 1 engines typically experience an "internal" head gasket failure if failure happens. Normally, A bad coil pack first displays trouble under load long before the idle is effected. The symptoms of stuck vanes are lack of power, black smoke and hesitation on acceleration. At the time, it outdid competitors such as Chrysler’s Cummins and GM’s Duramax. But when you get off the gas, the throttle plate slams shut, intake air has no place to go and you get a big pressure spike that, in effect, is slammed back into the turbine blade. The turbo has two sets of spinning blades connected with a shaft. Before replacing a turbocharger, verify the problem by consulting all the possible issues. The SkidSteer Forum. Here are 5 common signs of a bad water pump: 1. The following are some of the most common symptoms of diesel engine problems that may be attributed to the fuel equipment, the injection pump, and the nozzles: Black smoke; high fuel consumption; inadequate power, hard starting; noise knocking; uneven, rough or unsteady idling; engine overheating; high engine oil consumption; and failure of starter to crank. Bad EGR valve symptoms vary and resemble problems in other engine systems. This article explains the various symptoms of defective intercoolers. Do bad turbos make noise, give off some smoke (white), has in and out shaft play, causes the vac to stumble at idle on decel and makes car almost die, will boost up and spool up but feels funny in that it spools fast up then falls flat and has funny acceleration characteristics?. It tells you the possible causes when your engine shows failure symptoms. (Truck just died! no reason!) There is no timeline, no precursor, no warning. Finally the turbo stopped working and then the car would not maintain any speed. So how do you diagnose a bad EGR cooler? If your EGR cooler is 'upstream' of your EGR valve, then there is a simple way to confirm if you have a leaking or failed EGR cooler. However, we tend to refer to fuel as "bad fuel" when we see symptoms, such as: dark hazy fuel, filter plugging, sludge build up in tanks, poor engine performance, excessive exhaust smoke & emissions, etc. Hyperbaric treatment is most successful if given within several hours after symptoms start. At that point, air leaks could be eliminated and the code thrown by the ECU only said something like "loss of turbo boost" which covers a multitude of sins. DID NOT have a CEL. Their theory: That the turbo is or has failed and that more power would exasterbate the symptoms. Once at speed, the converter won't give many symptoms of impending failure or failure in progress. Faulty Manifold Pressure Sensor Symptoms: Detect Bad Map Sensor Symptoms The symptoms of a failing manifold pressure sensor are similar to the problems of low compression or improper fuel injection. The consensus of the EEK mailing list regarding head removal on a turbo 2. We also share information about your use of our site with our social media, advertising and analytics partners. Symptoms of a Bad Fuel Pump. Any unusual noise under coupled with any of the above symptoms could be turbo failure. After I had the cat removed, I was absolutely amazed over the performance improvement. Ask them if Cat will at least replace all the sleeves for free, otherwise they will continue to send chunks through your new turbo. 67 at 98 mph granny shifting, dynoed at 450/920 on VERY stingy dyno in 4th gear. Slow Acceleration. 2006 F350 6. These are all my symptoms that were caused by the EGR Valve being stuck open. As in any diesel engine with a failing turbo, its symptoms would be low power and acceleration with lots of black smoke coming out of the tailpipe and high exhaust gas temperatures. You can tell a lot from exhaust smoke and a faulty turbo will cause Increased Oil. Symptoms of Bad LH 2. The manifold if leaking can reportedly injure the engine. I'm starting to suspect my turbo is going bad. Since injectors rarely go bad, most of these people should start diagnosing in other places. Dramatic decrease in fuel economy. Vehicle's turbo does not produce boost during acceleration. 67 at 98 mph granny shifting, dynoed at 450/920 on VERY stingy dyno in 4th gear. With the ability to vary the flow of exhaust gasses across the turbine wheel, variable geometry turbochargers (VGT's) get us as close as possible to having the best of both worlds. Another problem is if the air pipes to and from the inlet, inter cooler and turbo leak due to damage or loose clamps. bad turbo I have a 2012 chevy cruze with 90,000 miles on it. This may dampen the symptoms to an acceptable level. Start the car and feel round the big air pipes from the turbo to the intercooler and back to the inlet manifold. A malfunctioning throttle position sensor will relay bad data to your car's computer and usually result in poor fuel economy. Not majorly familiar with the 530d turbo tbh, but usually its a case of d/c the actuator, then try to move the vanes manually and see if you get a full range of movement. Steam coming out of your exhaust is a good indicator your EGR cooler is bad. This was a red flag that we experienced in the past. However, there are also many other symptoms that show the bad flywheel effect. The first step was to remove the turbo inlet hose and check the compressor wheel. After I had the cat removed, I was absolutely amazed over the performance improvement. How to Fix a Turbocharger Failure. This is just above the electrical in tank low pressure fuel pump. Symptoms of a car low on oil. If all the memory modules appear bad, then the problem is likely with the memory slot itself. Any unusual noise under the car's bonnet is worth investigating, especially if the sound accompanies any additional turbo failure symptoms. If your oxygen sensor has failed, the code checker will generate a diagnostic trouble code that specifically indicates your oxygen sensor is bad. Then, check the compressor wheel – it should be clean, without any dings, chips, or signs corrosive pitting. A malfunctioning throttle position sensor will relay bad data to your car's computer and usually result in poor fuel economy. The reason of this problem may be that the spark plug fails to produce the spark. Also make sure that all the vacuum pipes and sensors. If the leak is fairly small, your turbo wastegate -- the exhaust bypass valve -- can help to keep boost pressure in the green zone by increasing turbo rpm. The symptoms include stalling when coming to a stop, or very low idle after starting, or stalling if the throttle is "blipped" (opened and closed quickly). It is also one of the possible causes of expensive oil leaks and sludge buildup inside the engine. What I'm trying to figure out now is if the brief engine temp increase, or possibly driving with low coolant for 2 miles could have warped the head or cracked the HG in a small spot. Sometimes, engine heat “overcooks” the MAP sensor's electronics or cracks vacuum lines. I'll give this a go, but odds are its going to be a pita jobby. - daringlavan , Superior, WI, US Send Comment Add Complaint. A bad or a faulty Fuel Pressure Regulator means that the internal combustion process would be disturbed and the engine will not generate enough power. The boost control solenoid is something to check online for - I'm not familiar enough to know where it is offhand. If you have any of these sinus symptoms, you may have sinusitis or a sinus infection. You will destroy the thrust bearing using boost foolers and over boosting the turbo. From what I have read, this sounds like the FCA to me (again, based solely on what I have read). There would be some noticeable symptoms that would arise which can help you conclude that the problem is occurring due to a bad Fuel Pressure Regulator. *clogged air filter *bad or clogged CAC unit (or maybe someone installed an after-market duralite P. However, before the turbo ‘kicks in’ it’s turbine needs to spin very fast, until that happens the turbo does not play a role in boosting the car. 8T they are very prone to failure. news:1129229356. Whining Differential or Transmission; One of the signs most commonly linked with bad or failing differential or gear oil is a noisy transmission or differential. Honda: 5 Symptoms of a Bad Fuel System. Symptoms of a bad main relay include: You will have no-start issues. The smoke will often become worse as the rpm on the engine rises. Check Engine Light comes on. The most common symptoms of a malfunctioning MAS sensor include: • The engine is hard to start or has trouble turning over. Turbochargers come in all sorts of sizes and specifications in order to cover a wide range of applications and serve many different purposes. A turbo boost problem and DTC P0236 (78) is normally caused by low vacuum (need 20 inches HG) or a bad wastegate control solenoid. The fluid isn't ATF (thankfully), it is a clear-ish brown fluid. This can cause the oil to "cook", and the carbon deposits can block adequate oil flow to the turbo bearings. It is loud and nasty, and usually goes hand-in-hand with poor fuel economy and sometimes a rough idle. Symptoms are intermittent; Initially 1 in 6 outings would result in misfire from cold but after 10-15 mins this would usually clear. Hyperbaric treatment is most successful if given within several hours after symptoms start. Since the turbo is already too darn expensive, adding insult to injury by having to replace the CAC is a real hard hit. Thanks for the insight. The symptoms of stuck vanes are lack of power, black smoke and hesitation on acceleration. Since these engines are all electronic, special equipment is needed to diagnose the problem. Sometimes when you press the clutch pedal and then release it you will hear a chirping noise coming from the engine/gearbox area. If the modulator is not plugged into proper vacumn, the trans will shift very late. Start output Diagnostic Test Mode (DTM) and advance through test program to select wastegate bypass regulator valve N75. There are numerous causes of colitis including infection, inflammatory bowel disease (Crohn's disease and ulcerative colitis are two types of IBD), ischemic colitis, allergic reactions, and microscopic colitis. 0 Powerstroke Diesel owners notice either poor engine performance or bad fuel economy and start to wonder if they have a bad injector or two. I put to much oil in my 2012 vw turbo but had some removed, the oil pressure rose to 220. hopefully this will help the next person that comes across these symptoms and cannot figure out what the hell is going on. Just hasn't seem quite as peppy I suppose, but I thought it just might have been because I've been spending a couple trips in some buddy's quicker BMW. What are the symptons of a bad sensor? I’m getting worried that I’m damaging something by continuing to drive it. I do not believe there are symptoms of bad pulse dampeners (just downstream of ABC pump). Accumulators on the valve blocks throw errors like "visit workshop" or a rough ride. If the turbo 'seals' (they're actually like mini piston rings) were bad, it would be dumping oil in the exhaust. googlegroups. If you drive your car a lot, you will feel those symptoms easily when that happens. Turbocharger Failure Analysis: What Went Wrong and How to Fix It includes instructional photos, checklists, and step-by-step instructions. You could go 100k miles, or 10k miles between failures. Here we have provided a download and keep guide on these warning signs of injector failure. If the MAF is faulty, the engine computer may be unsure how to properly control the turbo- this is more applicable in a variable vane turbo than a wastegate, but can still apply. The siren sound will change with engine speed. Turbo speed problems are also associated with *speed sensor bad. If you believe that an injector has failed, do the screwdriver test and listen for the clicking noise an injector makes as it fires. Slow Acceleration. Let someone else chime in, though, before spending the chunk of change to buy that harness. It feels like the engine is about to stall out. These effects are more pronounced as the engine water and ambient air temperatures rise. Accumulators on the valve blocks throw errors like "visit workshop" or a rough ride. All you can do is wait on the dealer and see what they say. The knock sensor is a piezoelectric sensor that contains a piezoelectric sensing crystal and a resister. The coolant isn't leaking in the drive but it disappears somewhere. When you find the sticks that are bad you can order replacements. These threads scare mego away. vehiclehistory. EDIT: Oh, there were no codes - none at all. Attempting to boost down the road only to have the car start jerking and the engine light come on is a huge hint that there is a problem. Vehicle's turbo does not produce boost during acceleration. PS There is evidence on a couple of other Volvo sites that it could be the Boost Pressure Sensor, with exactly the same symptoms. To make things worse, replacing a rear main seal can be one of the most expensive jobs you can do on your car next to replacing the head gaskets or rebuilding your transmission. Honda: 5 Symptoms of a Bad Fuel System. Bad Turbo Symptoms Loud Siren Noise. General Motors has issued a stop-sale and recall of 2013 and 2014 model year Chevrolet Cruze 1. Symptoms are: 1) Rattling noise from front of engine, especially at idle This is especially true of overhead camshaft motors with timing chains. really wasn't as hard as I envisioned. It was only designed to operate to a yellow line of 20psi, and a redline of 25psi per the garrett engineers. As the subject states, are the symptoms of a bad flex disc? also known as guibo, I think. Oil passage has went bad. 0L Turbo Repair: Common Turbo Problems and Upgrades. Here, you will get a brief idea of what a torque converter is and some of the most common ways to tell if yours is going bad. The turbo has two sets of spinning blades connected with a shaft. The boost pressure gauge will indicate less than 9 pounds of boost or over 14 pounds of boost. This may dampen the symptoms to an acceptable level. If it's not attached then usually no performance, and clouds of black smoke under any kind of load, as there's no turbocharger pressure (the turbo is pre-intercooler, so if you have an IC leak then all the air from the turbo just ends up in the atmosphere). Symptoms of a bad or failing MAP sensor include: 1. Symptoms of a failing injector are a loud knock that is audible with the windows down. If the gear oil goes low or becomes excessively dirty, it can make the gears to whine or howl as they turn. Start the car and feel round the big air pipes from the turbo to the intercooler and back to the inlet manifold. If your Cell is transparent, you will be able to see a white metallic buildup on the plates of a corroded Cell. A bad speed sensor will stall the engine, but it will always fire right up immediately. The important thing to remember is that when the car is running bad, to choose a mechanic that has the right equipment and expertise to properly. For my heater blower, I'm not getting nearly enough voltage (3v) and at my radio i'm getting 22V. Got a second opinion. Here are some common symptoms and warning signs that may hint towards having a worn out wastegate hose: 1. 3 IDI Motors), 7. Blown Volvo Head Gasket Symptoms Volvo head gasket is a gasket that sits between the engine block and cylinder heads in an internal combustion engine. BTN Turbo is one of the UK’s largest independent turbo distributors. what are the symptoms of a bad coolant temp sensor (ECU)? My gauge works fine, I am curious to know how people know their coolant temp sensor for the ECU (green one) has gone bad. When I did get the turbo, I did notice some shaft play. Symptoms of Bad LH 2. Before you start pulling apart the engine, it's usually a good idea to take a look at the service logs to see what the maintenance history of the car is like. One of the symptoms of a bad turbocharger is blue gray exhaust. It is also one of the possible causes of expensive oil leaks and sludge buildup inside the engine. When the turbo fails, you will no doubt experience a sudden loss of power. When I did get the turbo, I did notice some shaft play. Here are some common symptoms and warning signs that may hint towards having a worn out wastegate hose: 1. Dramatic decrease in fuel economy. I've tried searching, maybe its just me and I can't work the search button that great, but when I type "turbo" or "bad turbo", I get everything under the moon. They ordered another turbo assembly and installed it today. The poor ratio is usually caused through a faulty turbo, dirty/old air filter and sensors that control airflow. Causes & Symptoms Of Clutch Chatter. You would definitely have exhaust smoke, either @ idle, decel or WOT. Any unusual noise under coupled with any of the above symptoms could be turbo failure. A loud whining noise, excessive oil consumption, loss of power, and a vehicle that smokes can be symptoms of a failing turbo. One set of blades is set in the engine's exhaust and the other in the air intake manifold. Since these engines are all electronic, special equipment is needed to diagnose the problem. after replacing Turbo and charging me $508 labor they told me my that the EGR valve was sticking and the V pod harness and main wiring harness was bad and that if I didn't get these repaired they weren't going to warranty another Turbo. All those symptoms match those of a blown turbo, rather than a blocked DPF, which should normally shut the car down, or slow to a stop, if not cleared after warning.