signs of bad turbo on semi truck Look for a Borg Warner, If you look hard, around $1600. Warning signs of a failing turbo can range from excessive exhaust smoke to increased oil consumption. $1,949. The MAF sensor measures the air going into the engine. The blue or gray flame forms when the turbo does not undergo the combustion process effectively. If I remember correctly you left have the stock turbo on your truck. Modern diesel engines produce next to no smoke. Intake should be dry exhaust sooty. There are some significant signs that let you know if the turbo is in bad condition or something is wrong with it. Illuminated Check Engine Light. Unusual transmission noise: Although semitrucks are loud vehicles, they . Also make sure that all the vacuum pipes and sensors that operate the turbo are operating correctly. With that in mind, truck owners can still stay out of deep trouble by watching the engine for changes in oil or . 00 a/r garrett turbo on according to the numbers on the casting. Black on Black interior 3" lift dual Rough Country steering stabilizers 305/65/20 Nitto terra grappler 20x11 KMC HD wheels fully deleted. If you choose to engine brake with a manual transmission,. what are some signs of a turbo going bad while driving your truck? when loaded going 70 up a hill somtimes my turbo seems like its spooling up and down constantly on its own. 4. Once it is clogged, it is going to cause you problems. Back story: This is a new/used motor I just installed. As a matter of fact, many modern semis trucks don’t even run superchargers. The test involves putting the vehicle in gear with the brake pedal depressed, pressing the accelerator pedal to the floor, and noting the maximum engine speed (stall speed) on the dashboard. This causes the turbocharger to spin at rates above its manufacturing limit. 3 Signs Of A Bad Truck When Buying Or Leasing A Semi Truck Mutha Trucker - Official Trucking Channel 411K subscribers 348K views 3 years ago Theasianmaishow … I am getting a squeal around 2000-2500 rpm when I get it whined up but it comes and goes, plus I have a bit of a studder when I'm going down the interstate about 70 in high gear and hit the pedal it kinda shakes a bit but pickups up sluggishly. 7 Powerstroke engines: 1. Common turbo failure symptoms include the following: Note: Because other problems can present the same symptoms as a faulty turbocharger, you (or your mechanic) should perform a thorough diagnosis of the vehicle before performing any repairs. Here is a more detailed list of the signs of a bad or failing turbocharger to look for: 1. However, when a problem with the APP sensor exists, the vehicle's ability to consistently accelerate or decelerate as directed by the driver is reduced. Check for … The symptoms of stuck vanes are lack of power, black smoke and hesitation on acceleration. It may be a loose pipe or the blades failing within the turbo. When the coolant passages inside … The vehicle may produce a hissing or tapping sound from the engine bay that may get louder when the engine is accelerated. Signs of a Bad Turbo. SOLUTION: For insurance (and whenever possible), add a 360-degree thrust bearing to your turbo or specify a 360-degree thrust option when purchasing a new unit. Labor costs are estimated between $497 and $627 while parts are priced between $1,452 and $1,624. The most common signals that you may have a blown turbo are: The car has noticeable power loss The acceleration of the car seems slow and noisy The car doesn’t easily maintain high speeds There is smoke coming from the exhaust There is an engine fault light on the dashboard Can you drive with blown turbo? The most common symptoms related to lack of turbocharger performance are lack of engine power, excessive exhaust smoke from excessive oil consumption, and (if applicable) the ingestion of coolant from a water-cooled bearing housing. and. Holset was once a British company producing turbochargers for heavy duty applications that was purchased … The turbo’s quick response to your foot going down on the pedal is a sign of things working the way they should. Internal engine problems. Engine Backfires. 7 runs … 2. if your turbo doesn't check out to be bad, it may be something as simple as a bad gasket on the turbo that has developed a crack or pin hole. In-Stock. There is actually nothing too special about a turbo on a semi-truck. (exhaust or intake wheel) around a thousand + R&R. One of the symptoms of a bad oil cooler is diminished engine performance. Also referred to as turbo … Wearing of the Bearings. If the fins are damaged on either side it's junk. The car may not accelerate quickly or produce the … Another video just showing you how to check for your turbo or actuator being bad. EGR Problem All engines produce a toxic chemical called nitrogen oxide. Cummins Turbo Failure Symptoms include: Loss of power Excess smoke Overheating High exhaust temperatures Oil leaks High fuel consumption. Here are just some of signs that your actuator is having some problems: Complete power loss Intermittent low pressure Overboost Low boost Turbocharger noise Flashing engine management light Fault codes ECU error symptoms control There are also other signs that may arise but these are the most common ones that you can observe. Traffic collisions often result in injury, disability, death, and property damage as … It had a small whining noise on both trucks (both are service trucks). Knowing how to tell if your semi-truck’s turbo is bad can help you take care of the problem quickly and get back on the road. Insufficient truck clutch pedal: A hard clutch can also play a role in the inadequate clutch pedal to give. This includes visible leakage on the shock body. Or blown headgasket or diesel starvation (like bad injectors, but could be other issues as well). Your location and vehicle may affect the price of Turbocharger Assembly Replacement. For T4 S300/S400 Turbochargers. This often leads to a reduction in the engine’s functions like a drop in acceleration, for instance. OldHasBeen, Jul 2, 2015 #4 + Quote Reply Jul 2, 2015 #5 nikmirbre Road Train Member 4,878 8,219 Jul 27, 2011 High Point NC 0 Big Cam Cummins. Unfortunately, turbo failures happen from time to time due to wear and tear, debris buildup or malfunctioning components. I'd say look for a vacuum line that could've popped off when you hit boost or a seal at the intercooler. White smoke often indicates coolant. The engine … Front mower is, 2009 Massey Ferguson 8480 tractor, 4800 hrs,, DMI Tiger Mate II field cultivator, 18. Turbochargers are one of the most important aspects of diesel engines. ” Impeller damage caused by contact with the turbo housing. 380 Cat – This Cat diesel engine was strong, reliable, powerful and got decent fuel mileage. … George, Gnocchi, and Marco try to search the solar system for monkeys. Head gasket problems on the 6. Front tires can wear weird if you do not keep the tires inflated properly and if that comes about it can cause some shaking. While this is more common on trucks and semi-trucks, all cars with a turbo can cause damage to the turbocharger by over-revving the engine behind its “red” limit. Cab bolts can be a pain but all in all not terribly bad 2012 f-250 6. Test-drive the truck; this provides the first indication of whether the turbo is on the way out. A diagnostic tool is able to individually shut down each injector to see which one is the culprit. Having a turbocharger is a great way to give your vehicle a … You can sometimes also hear a squealing noise coming from the water pump if the bearings are bad. Its from the CCV. This increases the power and fuel efficiency of internal combustion engines. 36,554 Posts. 7L, 129K miles,, John Deere 230 disk, 22', New Idea 3639 manure spreader/wood hauler, 1/2 cord wood, 8 X 60 . Usually, the first sign of failure is white exhaust smoke. In most cases with turbo problems, there will be lots of exhaust smoke than . 12' Black Longhorn CC,SB 4x4 leveled, 33x12. NO CORE CHARGE and your old one is worth several hundred. Here is a more detailed list of the signs of a bad or failing water pump to look for: 1. Turbocharger Problem. If the intake is oily stop running the tractor untill you rebuild turbo as the seals have went south. One of the bad turbo symptoms is the car burning excessive amounts of oil than usual. With emission standards becoming stricter, many vehicles have an exhaust gas recirculation system that cycles back gases passed out of … Diagnosis of a Bad Turbo Actuator, VGT Turbocharger Problems and FailureShop New Turbo Actuators at Highway and Heavy Parts! https://highwayandheavyparts. Navistar also removed some sharp edges from within the system that were … The first signs before turbo failing are: Poor acceleration One of the most significant symptoms of a failing turbo you should notice is lack of overall power. After a long idle (5-10 min) there is a light smoke that starts to appear from the exhaust. With a turbo in your semi-truck, your engine will generate more power without consuming more fuel. … Their subsidiary company, Cummins Turbo Technologies is the producer of their Holset brand of turbochargers. This “smoke” is actually steam from boiling water or coolant. or charger pipes. These include erosion at the inlet and stress cracks from … Whining noises Sometimes, you can hear when a turbo is failing – listen out for a distinctive noise when your turbo kicks in at around 1000-1500 rpm. A rich fuel-to-air ratio can cause your engine to misfire, while a lean ratio can cause stuttering when it periodically fails to ignite. When your turbo is really bad it will probably be burning oil. Most symptoms, including the whine, could be other things. 3. YES my Turbo has been out for awhile ! LOL. 61 - $120. Unless you can get it to a good turbo shop they can replace either side. Excessive Exhaust Smoke. Volvo Truck Bad Turbo Symptoms There are three symptoms you can note to determine a bad turbo. A turbo’s boost pressure is monitored by a gauge on the driver’s . It also increases the power efficiency of the engine. Here are some symptoms that you have a mechanical issue: Bent Turbo Fins Stuck Vanes Carbon Buildup Failed Thrust or Ball Bearings EGR Valve Problems EGR Cooler Problems Coolant Contamination … Listed below are a few of these warning signs. Some of the faulures would be lack of oil to . Most Common Repairs for Cummins ISX. Vanessa Angel: 1993 2021 27 years Indonesian actress, model, and singer car (passenger) Mitsubishi Pajero Sport: Jombang, East Java, Indonesia Angel was in a SUV travelling on Nganjuk-Surabaya Toll Road with 4 others. Compressor wheel struck the housing on the low side and then on the high side on one truck and the low side is locked up. 50 m/t's, 22x12 Black American Force Independence wheels,2nd gen … Malfunctioning Turbo 9. $225. The exhaust valves need to open and close at precise times to ensure the right amount of pressure is always present. Louder noises coming out from the engine than usual. Diagnosis of a Bad Turbo Actuator, VGT Turbocharger Problems and FailureShop New Turbo Actuators at Highway and Heavy Parts! https://highwayandheavyparts. Rough Idle Any change in RPM at idle should be cause for concern. No modified rig projects to brag about. Note: This is a double-length episode. Glass' record book by making a paper airplane. ( first sign of going out I found ) 3) When I shut the truck off it sounds like a beer can rattling around in the exhaust pipe. Let’s have a look at some of the common signs which point to a failing EGR valve: 1. Keep an ear out for something other than a normal-sounding … How to diagnose turbocharger problems: Excessive oil consumption Low performance Excessive smoke Low power Loose shaft 2. They will run away buy burning the oil for fuel [ Like the old Detroit Diesels do] . . BD-Power 1453522 T4 S300/S400 Turbo Blanket. Hello, my name is XXXXX XXXXX will try to help, A turbo is a engine part that is mounted on the exhaust manifold, the exhaust comming from the engine spins a turbine wheel, that in turn sucks in fresh air from the air cleaner and puts it into the intake of the engine at a higher volume. Excessive Smoke. If there is too much of a power delay, then your turbo is running too low. Undoubtedly the most common reason for turbocharger failures is the presence of problems in engine lubrication. The boost is needed more when the truck is hauling a heavy load and traveling uphill. 5 EB, 45000 mi. The most common symptoms of a bad turbocharger are low engine performance, blue smoke from the exhaust, and a burning oil smell. $2,251. Anything special about your trucks, like a turbo blanket or 10k mile oil changes? . One of the most common complications that these turbochargers encounter is the dreaded turbo … Step 1. It also made the EGR valve shaft 30% larger and less susceptible to sticking. Hook the actuator up to the computer with it disconnected from the turbocharger and you can test it. 9 Cummins engines the B6. PPE 517140000 4" Quick Release 304 Stainless Steel V-Band Clamp. It’s quite common that when a turbine-side failure has occurred due to high temperatures, the turbine housing will also show signs of heat fatigue. Matthew Wayne Shepard (December 1, 1976 – October 12, 1998) was a gay American student at the University of Wyoming who was beaten, tortured, and left to die near Laramie on the night of October 6, 1998. A turbocharger can eventually fail over time. Electrical VGT Actuator Problems. 7 Cummins may not be too common in actuality. Also listen to the pitch of the whine. $26. Turbo for semi trucks, diesel box trucks and pickup trucks. Physical Damage The unit has sustained physical damage, including dents, and worn or broken mounts. Here are some symptoms of electrical faults: Fault Codes. When you have a bad turbo in your car, you might also find that it loses power all the time, burns through too much gas and/or oil, or causes your check engine light to come on. Coal rolling, locomotive-like engines are now a thing of the past. Restricted or broken oil feed pipe can also lead to insufficient lubrication. c. Either way, it’s possible that your ECM is causing the problem. 2) Under a load it makes a very loud screeching sound ( almost like a belt slipping ) and has NO Power ! I noticed this about 6 mos ago. The first signs before turbo failing are: Poor acceleration One of the most significant symptoms of a failing turbo you should notice is lack of overall power. If you have oil starvation this … Tim, Expert. After the filter gets dirty beyond its limit, it will not operate effectively. He was taken by rescuers to Poudre Valley Hospital in Fort Collins, Colorado, where he died six days later from severe head injuries received during … There is actually nothing too special about a turbo on a semi-truck. They are responsible for providing inlet air necessary for boosting engine performance. Signs of electrochemical degradation include voids, cracks, or weak spots on the inside of the hose Signs of internal heat damage include slight swelling of the hose cover $11. #10 · Feb 23, 2012. No core need just place your order online or call 800-344-1273. 6. Of course there are deviations to the above, but those are general rules of thumb. Symptoms of a bad EGR cooler. Check that the oil drain pipe is clean and not restricted. 99. Andolsek was working in the front yard of his home when a semi-trailer truck ran off the highway and hit him. The turbo can also fail if the bearings that are inside the hub assembly start to show signs of wear. If you are not feeling the usual power when accelerating, the first thing to check would be the turbo. Here are 5 reasons why turbochargers fail: Oil Starvation. If you notice a whining from your engine, you should get a professional mechanic to have a look at your car. Leaking of Coolant. The other truck the low side the compressor wheel and shaft has about 1/4" of play on the shaft. For example, there will be an engine fault light on the dashboard from where you will know something is not right. The vehicle may produce a hissing or tapping sound from the engine bay that may get louder when the engine is accelerated. The primary benefit of turbos to semi-trucks is that they increase efficiency. when I come to a stop, I hear the sound of something winding down (turbos or fan? . Very common for both of them to be stuck, but sometimes its just one thing . The turbocharger may have an issue if you find excess oil on the compressor blades. . When the water pump goes bad, it may leak from the axle sealing or any gasket. … Some of the more common reasons why the turbocharger may have insufficient lubrication can include not observing the correct intervals of changing the oil which can lead to sufficient low oil or the complete absence of oil in the sump. It can happen on the drive tires too. If it buzzes after you turn it off, that's the "buzz flash" which has been replaced by the "inductive heating flash" for preventing stiction during a cold start. The oil "coating the the inside of the boots" is normal. 5', John Deere 4440 tractor, IH 1466 tractor, IH 856 tractor, 18' stalk chopper, 753 Bobcat, bad engine, 2006 Dodge Ram 1500, Hemi 5. Some causes of these symptoms are: Dirty air cleaner Air leak in feed … Unfortunately, turbo failures happen from time to time due to wear and tear, debris buildup or malfunctioning components. Over-speeding. never used to make the sound); when I hard accelerate the truck used to put me back in my seat a bit, now it just seems louder; my fuel mileage is down a good 2mpg on average for any … How Turbos Benefit Semi-Trucks. Installing a coolant filter is like giving your truck a liver or a kidney. There is no sign of a ton of oil residue in the downpipe. Hello, my name is XXXXX XXXXX will try to help, A turbo is a engine part that is mounted on the exhaust manifold, the exhaust comming from the engine spins a … Very easy to check pull the intake hose off the turbo and exhaust and look for signs of oil. There are several signs of a bad turbo, including: Reduction in power One of the first signs of turbo failure has to do with your car's power. Generally a true T3 or T4 turbo will require a 4AN feed, whereas a T5, T6 or Promod / Large Frame turbo will require a 6AN feed. 7 lariat. A traffic collision, also called a motor vehicle collision (car accident or car crash, in case cars are involved in the collision), occurs when a vehicle collides with another vehicle, pedestrian, animal, road debris, or other moving or stationary obstruction, such as a tree, pole or building. First motor died due to major head gasket failure. In such cases, there would be oil all over the sleeper. The most common sign of a bad turbo is a decrease in power output. In extreme cases, you might even discover that your car won’t start at all or that it’ll start but shut off soon after. Rattling noises emanating from your engine, which are often the result of a wastegate that is used to vent exhaust gas failing. Sluggish … Nowadays a semi trucks turbo can last the lifespan of the truck itself, provided nothing goes wrong with it and it doesn’t take too much unnecessary punishment. If your clutch doesn’t have a two-inch “give” before engaging, then Any less or more give indicates that your clutch isn’t working as well as it could be. Whining Engine. You can sometimes also hear a squealing noise coming from the water pump if the bearings are bad. An increasing amount of exhaust comes out from the tailpipe. Since there is a reduction in the rate and volume of cooled oil, the vehicle’s engine will have an increased temperature. To get an estimate in your area, use our Fair Price Estimator: The symptoms of a damaged or failing turbo are: Loss of power Slower, louder acceleration Difficulty maintaining high speeds Blue/grey smoke coming from the exhaust Engine dashboard light is showing. Another problem is if the air … The buzzing when you get in & turn it on is the fuel pump. "Fly Paper": George and Betsy try to get into Mr. This is another issue that can be nipped in the bud if you perform regular … Symptoms of a bad transmission control module include: You can’t shift gears or your vehicle is stuck in gear You experience significantly lower gas mileage Your vehicle seems to have trouble downshifting when your vehicle slows down Your vehicle’s engine roars loudly and has difficulty shifting to higher gears when you attempt to accelerate Another sign of a faulty turbo in a semi truck’s engine is a grayish or blue flame emanating from the exhaust pipe. They are specific to certain manufacturers, but can sometimes be applied generally. They can do this by only taking a small amount of oil at a time—so as not to affect normal flow. (exhaust or intake wheel) around a thousand + … The sludge will form a coating or “bio-film” on the walls and baffles of the fuel tank, plug your fuel filters, adversely impact combustion efficiency, produce dark smoke from the exhaust, form acids that degrade injectors and fuel pumps, and adversely impact performance. But, if you suddenly see bad turbo symptoms like more exhaust gas in your rearview mirror, or notice a loss of power, give Ted Raby a call at Test Calibration for a quick diagnosis, and if you are within driving distance to Mobile, stop by and let them take a look. "Fix-It Monkey": George meets a new carpenter named Rosa and is fascinated by her fancy tool belt. Surging. If you fail to oil the turbocharger properly, it will spin faster than its normal motion, which results in more exhaust gasses. 95. A “sloppy” or rough idle can be caused by one of several things. Simply put, if you have either oil contamination or even oil starvation, then this can lead to turbo failure. For instance, if when you are driving, you noticed that your car … For starters, it hardwired the connection from the turbo air control valve to the ECM so that it could no longer shake free and lose its connection as a result of over-the-road vibrations. Poor Acceleration. Eventually fouled diesel fuel will clog fuel lines and ruin your . Discussion Starter · #1 · Jan 16, 2010. Like an intake leak, which could also cause low or no boost. … There are five clear signs of turbocharger failure, so let’s discuss possible signs and symptoms of problems to alert you to the need for service: 1. Just my two cents. If a turbo increases the compressed air intake of your combustion chamber by just 6 to 8 pounds, your engine can produce 15% to 25% more . Engine response is inconsistent. Everyone knows that the engine oil is essentially the life blood of your car. If you are … Bent or Bad Engine Valves Symptoms The main symptoms of bent engine valves include: Check engine light Engine backfires Low Compression Shaking engine Lack of Power Excessive Oil Consumption … Signs of a Bad Turbo. Turbocharger Assembly Replacement. “A lot of the inadequate oiling issues that we see on light vehicle applications involves a screen that OEMs often put on the oil fill to the turbo – that screen gets clogged up then the turbo isn’t getting proper oil flow, and that’s the sort of thing that can quickly cause failures. , does not seem to perform as it used to. Check that air filters are not restricted or blocked. That said, if there isn’t enough oil it can cause friction along with premature wear and tear to the turbo itself. 68 ACDelco® Professional™ … Signs Of A Bad Turbo On 6. You can look inside the turbine by using an endoscope; if there is oil inside, … the truck always had a tinge of blue-ish smoke out the chimney but that too is gone, in the past when a turbo went bad it was very clear what the problem was but after inspecting this one i realized the oil supply line was restricted down to about a 1/8" inch (factory drilled hole in supply port on the top of turbo) and now i realize why i . My 2019 3. H&S Mini Maxx 4" turbo back Flo-pro exhaust . + R&R. If an exhaust valve is bent, it affects how the fumes leave the cylinder. Your Engine Stutters or Misfires. Check for … Diagnosis of a Bad Turbo Actuator, VGT Turbocharger Problems and Failure Highway and Heavy Parts 11K subscribers Subscribe 495 100K views 3 years ago Diagnosis of a … However, if you start to hear a loud, whining noise - a bit like a dentist's drill or police siren - it's a potential symptom of turbo failure. This range can obviously fluctuate depending on how much the vehicle is used, and what it’s used for as well . A … Most symptoms, including the whine, could be other things. The turbo may be faulty when your semi-truck becomes sluggish yet noisier while accelerating. Signs of a Bad … A boost gauge is mounted in the interior and reads the amount of boost that the turbo is producing. 4 Powerstroke. Similar problems can be caused directly by an improperly-adjusted engine timing. You may also notice a loss in engine … Tim, Expert. Check Engine Light comes on. For use with PPE V-Band Flanges. mttryj said: Could be completely off base with this, but white smoke in a diesel usually indicates bad injectors. What it sounds like happened is the thrust bearing is failing this allows the compressor wheel to cntact the compressor cover under . Also, if your exhaust starts giving off gray or blue smoke, the turbo may be defective. Not all cars have a boost gauge, but if your vehicle has one and it is not … Another video just showing you how to check for your turbo or actuator being bad. The car may not accelerate quickly or produce the … Unfortunately, turbo failures happen from time to time due to wear and tear, debris buildup or malfunctioning components. EXHAUST SMOKE Here are some common symptoms and warning signs that may hint towards having a worn out wastegate hose: 1. Free shipping, next day air also. However, compared to the previous 5. 1693 Cat – This is one of the best Cat truck engines. 1. When it comes to the turbocharger, the engine . How Turbos Benefit Semi-Trucks. These include erosion at the inlet and stress cracks from … The most common symptoms of a bad or cracked intake manifold are rough idle and a check engine light on your dashboard. When you press down on the gas pedal, your engine should respond directly and instantly. Most of these issues are very severe and can cause major damage to other components as well. Unstable engine temperature is also common. You may also notice reduced fuel economy and a check engine light on your car’s dashboard. This overboots the engine and can also lead to oil starvation. Since the wastegate hose is designed to relieve pressure … If you see a check engine light on your dashboard, check the trouble codes with an OBD2 scanner. When I drive it, it just billows out of the exhaust. A turbo needs oil to function properly as it is rotating at a high speed. Turbos however are designed … 3) Dodge Ram 6. Very common for both of them to be stuck, but sometimes its just one thing stuck but I always … When the turbo goes bad on 6. Decreased power, acceleration, and fuel efficiency Engine performance issues are another symptom that can be caused by a problematic exhaust manifold. If the issue is ignored, the whining noise gets so loud … Volvo Truck Bad Turbo Symptoms There are three symptoms you can note to determine a bad turbo. Uneven Tire Wear While objects entering the turbo are a rare occurrence, the more likely cause of turbo failure is due to lack of oil. Black Smoke from the Exhaust. A further indicator of turbo issue in a semi-truck includes a lack of adequate velocity and decreased revolutions per minute (RPM). Turbos however are designed to last a lifetime of a vehicle or in turns 150,000 miles. A bit lud, but reliable and lots of power. Shifting into too low of a gear while traveling at too fast of a speed could shoot the needle above the redline and damage your engine. 85 $250. Tim, Expert. As the fault gets more serious, the noise will get worse. 7 Powerstroke engines, they develop a loud whining noise that is very distinct and similar to the sound of a supercharger. If it is too high on the gauge when it shouldn’t be, you will need to have it checked or may some adjustments. This one is a classic and almost a tell-tale sign that your turbo is on its … Symptoms of worn shocks necessitating replacement: Fluid Leaking from the Unit Leaking from the unit is a clear sign that a shock is worn. For regeneration to start, the … Here’s a quick answer to How Much Boost do Semi Trucks Make: The amount of turbo boost semi trucks make ranges from 25 psi to 60 psi. Pay close attention to how the turbo acts. Sector Gear Moves … Another sign they are bad is if they start making noises. Check that engine oil specifications strictly correspond to car manufacturer’s recommendations. With that out of the way, here are the three most common signs of a bad turbo on 6. If it takes longer than before to make power or produce the audible whine you're used to hearing, then it may be going bad. Although the initial . Typically this … A ball bearing turbo uses less oil, which is why often times ball bearing turbos have a restrictor installed from the factory. Your Diesel Engine Has A Dirty Fuel Filter A very common reason for low power complaints is the fuel filter. is between. How To Tell If a Torque Converter Is Bad In some cases, you can check the health of the torque converter by performing a stall speed test. Diminished Engine Performance. 7 Cummins Head Gasket Problems. The turbo pushes compressed air into the engine’s combustion chamber. There are several possible sources for this steam, including head gasket failure, a cracked EGR cooler or condensation inside the exhaust system. 2. If there is a leak … Check that air filters are not restricted or blocked. My truck appears to have a 1. One of the reasons that your truck may have a rough idle is due to a defective EGR valve that is stuck in the open or closed position.