Which parts fail
Components named in complaints (engine, cooling system, oil leaks, timing chain, exhaust).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2011 Chevrolet Equinox owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2011 Chevrolet Equinox. The contact stated while driving 40 MPH, he noticed smoke coming from underneath the hood. There was no warning light illuminated. The contact pulled into a business parking lot. The contact stated that he opened the hood and noticed the engine compartment had caught fire. Additionally, the contact stated that the battery was burned and was bubbly. The contact was able to extinguish the fire with water bottles. A fire department report and a police report were not filed. The contact sustained a minor burn on the right hand and did not receive medical assistance. The vehicle was towed to the residence of the contact's parents. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed or repaired. The failure mileage was approximately 185,000.
The contact owns a 2011 Chevrolet Equinox. The contact stated that while her daughter was driving approximately 70 MPH, the "Low Oil Pressure - Stop Engine" warning was displayed as the vehicle decelerated to 20 MPH. The contact stated that her daughter stated that the vehicle failed to accelerate when the accelerator was depressed. The driver pulled over, turned off the vehicle and waited for a few minutes before restarting the vehicle. The vehicle was driven to a nearby parking lot. The vehicle was towed to an independent mechanic where the failure cause was diagnosed as excessive oil consumption. Additionally, the timing chain needed to be replaced. The contact stated that other engine parts also needed to be replaced. The unknown parts were replaced however, the failure continued. The vehicle was still at the independent mechanic waiting to be repaired. …
The contact owns a 2011 Chevrolet Equinox. The contact stated that the vehicle was consuming an excessive amount of engine oil. While driving at various speeds, there was a misfire coming from the engine while attempting to accelerate. The failure occurred while attempting to accelerate from a stop. There was no warning light illuminated. The vehicle was taken to a certified mechanic, who diagnosed that a shaft inside the engine had failed, and the engine needed to be replaced. The engine was replaced with a rebuilt engine; however, the failure reoccurred approximately 4 months after the engine was replaced. The vehicle was returned to the mechanic, who diagnosed and determined that the same failure had reoccurred. The engine valves and exhaust were cleaned; however, the failure persisted. …
The contact owns a 2011 Chevrolet Equinox. The contact stated that while the vehicle was parked outside of the dealership, the contact heard an abnormal ticking sound coming from under the front hood of the vehicle. The contact notified the dealer of the issue and was informed that the noise would go eventually cease after driving the vehicle for a while. The issue persisted and the vehicle was taken back to the dealer. The vehicle was inspected and the contact was informed that the timing chain and assembly needed to be replaced. The vehicle was repaired. The contact stated that a year later while driving at an undisclosed speed, the failure recurred and the vehicle shuddered and lost motive power. There was no warning light illuminated. The vehicle was first towed to the residence and then towed to the dealer to be diagnosed. …
The contact owns a 2011 Chevrolet Equinox. The contact stated that her vehicle was consuming an excessive amount of engine oil. The contact had taken the vehicle multiple times to an independent mechanic where the catalytic converter had been replaced but the failure persisted. The contact also stated that while driving at various speeds, the vehicle would hesitate upon depression of the accelerator pedal without warning. The contact had taken the vehicle to an independent mechanic and the dealer who informed her that the failure was related to a defective timing chain. The manufacturer was also notified of the failure and acknowledged the failure but stated there were no recalls on the vehicle. The vehicle was not repaired and remained in the possession of the dealer. The failure mileage was approximately 145,000.
The contact owns a 2011 Chevrolet Equinox. The contact stated that while driving at various speeds, the vehicle lost motive power upon depression of the accelerator pedal with the check engine warning light illuminated. The contact also stated while driving 30 MPH, the vehicle stalled while attempting to cross a bridge. The contact called a friend who assisted with towing the vehicle to her residence. The contact then drove the vehicle to two independent mechanics who attempted to retrieve fault codes but were unable to. The mechanics were unable to determine the cause of the failure. The sparks plugs were replaced, and an oil change was performed; however, the failure persisted. Neither the dealer nor the manufacturer had been notified of the failure. The vehicle was not repaired. The failure mileage was 106,697.
The contact owns a 2011 Chevrolet Equinox. The contact stated while driving at an undisclosed speed, the contact heard an abnormal knocking sound with the check engine warning light illuminated. The vehicle was taken to an independent mechanic where it was diagnosed with excessive oil consumption. The contact was informed that the engine needed to be replaced. The contact stated that the vehicle was consuming engine oil excessively fast. The contact stated several quarts of oil were kept in the vehicle to avoid the oil becoming extremely low. The vehicle was taken to the dealer and diagnosed with excessive oil consumption and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 110,000.
The contact owns a 2011 Chevrolet Equinox. The contact stated while driving 70 MPH, the vehicle failed to accelerate as intended while depressing the accelerator pedal. In addition, the contact stated that once the fuel gauge displayed that 1/4 tank of gasoline was available, the vehicle jerked, and there was an abnormal sound coming from the engine with the check engine warning light illuminated. The vehicle was taken to an independent mechanic who diagnosed the vehicle and determined that the pistons had failed, and the engine was consuming an excessive amount of engine oil. The vehicle was not repaired. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. The failure mileage was approximately 90,000.
The contact owns a 2011 Chevrolet Equinox. The contact stated that while the mother was driving, the vehicle suddenly stalled. The vehicle was towed to the residence and was later diagnosed by an independent mechanic, who discovered metal shavings in the engine oil pan and informed the contact that the engine had seized and needed to be replaced. The contact stated that prior to the engine failure, the vehicle experienced excessive oil consumption over a 14-month period. The local dealer was notified of the failure, but no assistance was provided. The manufacturer was not notified of the failure. The failure mileage was 117,000.
The contact owns a 2011 Chevrolet Equinox. The contact stated that the vehicle failed to provide notification whenever the oil level was low. The vehicle was hesitating and shuddering before accelerating. There were no warning lights illuminated. The vehicle was taken to the dealer and the contact was informed that the vehicle was experiencing an abnormal oil consumption, causing engine failure. The contact was informed that the engine needed to be replaced. The vehicle had not been repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 143,822.
Engine complaints in other Equinox years
Frequently asked questions
How common are engine problems on the 2011 Chevrolet Equinox?
NHTSA has 419 complaints about the engine & cooling of the 2011 Chevrolet Equinox, 54% of the model year's 782 complaints. The component named most often is exhaust system › emission control › catalytic convertor (3 mentions).
Is there a recall for 2011 Chevrolet Equinox engine problems?
No. NHTSA lists no engine & cooling recall for the 2011 Chevrolet Equinox, though it has 3 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2011 Chevrolet Equinox engine problems start?
Half of the complaints with a recorded mileage happened before about 85,000 miles, and 14% before 25,000 miles.
Is it dangerous?
Owners linked 3 crashes, 2 fires and 4 injuries and 2 deaths to engine & cooling problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.