NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
35 reportsClear category filterMileage unknown · Aug 8, 2025
Engine
The turbocharger in this vehicle cracked at around 50,000 miles and my mechanic predicts it will happen again after another 50,000. This makes the vehicle unable to accelerate at unpredictable times, making the safety of the driver of the vehicle, as well as others on the road, compromised. My mechanic believes this is a common …
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The turbocharger in this vehicle cracked at around 50,000 miles and my mechanic predicts it will happen again after another 50,000. This makes the vehicle unable to accelerate at unpredictable times, making the safety of the driver of the vehicle, as well as others on the road, compromised. My mechanic believes this is a common problem with GM vehicles of this engine size. Please advise. Thank you.
NHTSA ODI #11679383
Mileage unknown · May 29, 2025
EnginePower Train
October 2024 the turbocharger was replaced. A few weeks ago check engine light came on. Bad turbocharger again while I was on a highway the car stopped running. Dealer said they will not replace it under the parts warranty. They said it was 3 quarts low on oil and I need to show receipts for last 3 oil changes. From previous tim…
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October 2024 the turbocharger was replaced. A few weeks ago check engine light came on. Bad turbocharger again while I was on a highway the car stopped running. Dealer said they will not replace it under the parts warranty. They said it was 3 quarts low on oil and I need to show receipts for last 3 oil changes. From previous times there they knew my son is a mechanic & did oil changes. They wanted me to call my son to ask him how much oil he put in 🙄 after looking online it is a very common problem with the Chevy turbochargers. It will but an excessive amount of oil and cause it to be black and sludgy. I emailed the general manager. He never responded. I also filed a complaint with GM and consumer protection. When they replaced it in October it was still under the extended warranty. It is now over the 100,000 miles. However, I think a turbocharger should last more than 6 months. I could have been killed on the highway while broken down due to a part they know is defective. Instead they treated me like trash. It is not the first time they have done this to me. The car already has a new radiator, transmission, faulty turbocharger, and something with the valves was fixed. The car is a lemon. I just want them to be held accountable since they know this is a common occurrence with the Chevy turbochargers
NHTSA ODI #11663664
Mileage unknown · May 8, 2025
EngineFuel/propulsion SystemSteering
Turbo Charger/Super charger is not following sufficient air. The vehicle does not excelerate, and slowed down in the middle of traffic. I had to turn the car off for 15 minuetes. Before i could drive home. Check engine light continues to disappear and reappear for the last 60 days. Diagnostic code P0299. GMC will not cover the c…
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Turbo Charger/Super charger is not following sufficient air. The vehicle does not excelerate, and slowed down in the middle of traffic. I had to turn the car off for 15 minuetes. Before i could drive home. Check engine light continues to disappear and reappear for the last 60 days. Diagnostic code P0299. GMC will not cover the cost under special coverage, known issues with 2017-2018 which GMC has special coverage.
NHTSA ODI #11659757
Mileage unknown · Feb 13, 2025
EngineVehicle Speed Control
Truck has code P0299. Turbo underboost. Reduced acceleration, lack of power, and a check engine light.
NHTSA ODI #11642630
Mileage unknown · Jan 20, 2025
EngineFuel/propulsion System
My check engine light came on after filling up with gas, after checking the purge valve cantilever was bad, I bought it and had licensed mechanic who owns his business replace it. Once again the check engine might came on. The error was cylinder 4 miss , I was told either the spark plug or coil was bad. My mechanic said ger coil…
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My check engine light came on after filling up with gas, after checking the purge valve cantilever was bad, I bought it and had licensed mechanic who owns his business replace it. Once again the check engine might came on. The error was cylinder 4 miss , I was told either the spark plug or coil was bad. My mechanic said ger coil and if that's not it he would replace spark plugs. I purchased the coil for a four cylinder engine because that's the only way they come. My mechanic took off the part which was broke and upon taking it out.he saw water in the coil holder and told me this was bad. He suggested I look up recalls on my vehicle upon which I found e recall on the puge valve along with a recall on the coil system which described the same problem of water leaking into the engine. After call recall department I was told they would cover the purge valve repair but there was no recall attached to my vin on other problem which should be. I bought the car with 28000 miles on it and have less than 44000 on it now. It should be covered under thus recall I have done all maintenance required and don't put many miles on it. I am a retired individual living on a budgeted income and thus problem should be covered under recall as it is the same problem as others have had. My
NHTSA ODI #11637022
Mileage unknown · Oct 19, 2024
EngineVehicle Speed Control
My car’s engine started to get loud one day and would run roughly as I drive. I got it check and the service center couldn’t find the issue as the car was good on all its fluids and there weren’t any leaks anywhere. Then some days passed and my vehicle started to slow down drastically on a highway (speed limit of 65) and my car …
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My car’s engine started to get loud one day and would run roughly as I drive. I got it check and the service center couldn’t find the issue as the car was good on all its fluids and there weren’t any leaks anywhere. Then some days passed and my vehicle started to slow down drastically on a highway (speed limit of 65) and my car would struggle to accelerate and so I was forced to switch from the middle lanes on the left to the lane all the way in the right, it was very difficult to do so as cars were passing me at high speeds. My car was struggling to accelerate and the engine started running rough. The engine light then came on. So I got it checked ant a local service center and I was told my turbocharger had to be replaced as it malfunctioned somehow. I can’t drive my car as it would be traveling way below the speed limit. I did not bring it to my dealer yet.
NHTSA ODI #11620742
Mileage unknown · May 25, 2024
Engine
2 years ago, my mother, previous owner, replaced water pump with dealership in Colorado. The car was around 2.5 years old. And less than 30,000 miles. About 6 months ago my overflow container was so hot it cracked. Idle hot came on. New container was purchased. 2 months less ago my car started to idle hot according to message …
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2 years ago, my mother, previous owner, replaced water pump with dealership in Colorado. The car was around 2.5 years old. And less than 30,000 miles. About 6 months ago my overflow container was so hot it cracked. Idle hot came on. New container was purchased. 2 months less ago my car started to idle hot according to message on speedometer and NO hot temp was visible. Also, no check engine light was on. Water pump went out again. Less than 70,000 miles. Replaced water pump. Thermastat. Thermostat housing AND overflow because warped lid due to HOT. This weekend (XXX) my car has no check engine light, less than 70000 miles. Ran hot again. Smells like an oily sweet smell. Looked at oil cap. Milky substance. Appears head gasket is now out. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA ODI #11590753
Mileage unknown · Jan 19, 2024
EnginePower Train
When the engine is cold and temperature is Below freezing the car idles rough and burns oil
NHTSA ODI #11566567
Mileage unknown · Aug 7, 2023
EngineUnknown Or Other
Design flaw turbo returns too close to exhaust manifold plastic tube melted turbo burned out due to oil leakage to to dealership to make diagnostic and they could not find anything .oil started leaking after my second oil change . Oil has run all the way to the fuel tank can cause a fire . Do I need to pay for this or a deale…
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Design flaw turbo returns too close to exhaust manifold plastic tube melted turbo burned out due to oil leakage to to dealership to make diagnostic and they could not find anything .oil started leaking after my second oil change . Oil has run all the way to the fuel tank can cause a fire . Do I need to pay for this or a dealer issue
NHTSA ODI #11536880
Mileage unknown · Jul 11, 2023
EngineStructureVehicle Speed Control
Numerous problems with engine overheating light coming on, leaking coolant, going up hill, car hesitate, car shakes at times.
NHTSA ODI #11531703