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 2012 Chevrolet Equinox owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2012 Chevrolet Equinox. The contact stated while approaching a stop sign and depressing on the brake pedal, the vehicle stalled. The contact stated no warning light was illuminated. The contact stated he was able to restart the vehicle but heard an abnormal sound and the vehicle then stalled while parking at a nearby parking lot. The contact stated that there was oil leaking from underneath the vehicle. The vehicle was not drivable. The contact towed the vehicle to his residence. Upon investigation, the contact associated the failure with Manufacturer Communications number 17329; however, the vehicle was not included. The contact called the local dealer and made them aware of the failure and was informed that the VIN was associated with the Manufacturer's recalls. The vehicle was not diagnosed or repaired. The manufacturer had been informed of the failure. …
The contact owns a 2012 Chevrolet Equinox. The contact stated that the oil level was constantly low, and she was adding 5 quarts of oil in the vehicle every 4-6 weeks. The contact stated while driving 25-30 MPH, there was smoke coming out from underneath the hood of the vehicle. The contact veered to the side of the road. The contact's son lifted the hood and noticed that there was oil residue on all the components under the hood. Additionally, there was a significant amount of smoke coming out of the engine compartment. The contact added oil to the engine. The vehicle was taken to an independent mechanic, where it was diagnosed that the engine needed to be replaced; however, the part to do the repair was not available. The vehicle was not repaired. An unknown dealer and the manufacturer were notified of the failure, but no assistance was provided. …
The contact owns a 2012 Chevrolet Equinox. The contact stated while driving at 35 MPH and approaching a stop light, the vehicle began to hesitate and emitted an abnormal sputtering noise while depressing the brake pedal. There was no warning light illuminated. The contact pulled into a gas station and turned the vehicle off. The contact refueled the vehicle and was able to restart the vehicle after several attempts. As the contact began to exit the gas station, the vehicle lost motive power without warning. The vehicle was towed to an independent mechanic where it was diagnosed with engine failure. The local dealer was notified of the failure and informed the contact that the VIN was not included in a recall. The vehicle was not repaired and remained in the possession of the independent mechanic. The manufacturer was not notified of the failure. …
The contact owns a 2012 Chevrolet Equinox. The contact stated while driving approximately 45 MPH, the vehicle lunged and then started losing motive power with the engine running. The contact attempted to pull off the road however, the vehicle then accelerated independently. The contact stopped the vehicle, turned off and restarted the vehicle and the vehicle lunged forward. The contact stated that the accelerator pedal was depressed however, the vehicle failed to respond as needed. The contact stated no warning light was illuminated. The contact stopped the vehicle and had the vehicle towed to the dealer. The local dealer diagnosed the vehicle and determined that the exhaust manifold was cracked and that the oxygen sensors #1 and #2 needed to be replaced. The vehicle had not been repaired. The manufacturer had not been informed of the failure. …
The contact owns a 2012 Chevrolet Equinox. The contact stated while driving at various speeds and depressing the brake pedal, the vehicle was shuddering and sputtering. There was no warning light illuminated. Additionally, the contact stated that the engine was experiencing excessive oil consumption. The contact stated that she had been adding a quart of oil in the vehicle every two weeks. The dealer was notified of the failure and informed the contact that the vehicle could not be repaired under an unknown extended warranty coverage. The dealer advised the contact to complete an oil consumption test. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and informed the contact that they could not assist as the vehicle had exceeded the 10-years Extended Warranty Coverage. The failure mileage was approximately 106,000.
The contact owns a 2012 Chevrolet Equinox. While the contact's daughter was driving 70 MPH, the vehicle lost motive power and the engine shut off. The contact's daughter attempted to restart the vehicle, and the vehicle started. There was an abnormal sound coming from the vehicle with several unknown warning lights illuminated. The contact stated that the vehicle was consuming an excessive amount of oil. The contact stated that the oil was topped off every two days. The failure occurred while minor children were inside the vehicle. The failure was a persistent failure. The dealer was contacted by phone and made aware of the failure. The vehicle was taken to the dealer where it was diagnosed with internal engine failure and timing chain failure. The manufacturer was contacted by phone, and a case was filed. The failure mileage was approximately 156,000.
The contact owns a 2012 Chevrolet Equinox. The contact stated while driving 35 MPH, the instrument display indicated a reduced engine power warning message. The contact stated that while driving up a bridge, the vehicle slowed down and failed to accelerate properly while depressing the accelerator pedal. The failure was intermittent. The vehicle was taken to an independent mechanic where the accelerator pedal was replaced; however, the failure persisted. The vehicle was then taken to a dealer but due to cost, the vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 74,595. The vehicle is currently at a Chevrolet dealer for repairs but they can't get the parts because of the strike.
The contact owns a 2012 Chevrolet Equinox. The contact stated that upon slowing down, the vehicle rocked back and forth violently. The contact stated that the check engine and reduced engine power warning lights were illuminated. The contact stated that the vehicle failed to exceed 23 MPH. The vehicle was taken to an independent mechanic where the vehicle was diagnosed and the contact was informed that there was excess crankshaft pressure, the crankshaft faces were faulty, and the pistons needed to be replaced. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 127,000.
The contact owns a 2012 Chevrolet Equinox. The contact stated that her engine would burn excessive oil without warning while driving at various speeds. The contact called her dealer and was informed that her vehicle was out of warranty. The contact stated that while her daughter was driving at an unknown rate of speed, the vehicle shut off. The contact was uncertain if any warning lights illuminated prior to the failure. The contact had the vehicle towed to an independent mechanic where they diagnosed the vehicle with engine failure. The manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was approximately 150,000.
The contact owns a 2012 Chevrolet Equinox. The contact stated that her husband discovered that the timing chain had failed. In addition, there was an excessive consumption of oil causing the contact to add engine oil frequently. The engine warning light was illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that the timing chain needed to be replaced but no further diagnosis was available for the other failures. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 110,000.
Engine complaints in other Equinox years
Frequently asked questions
How common are engine problems on the 2012 Chevrolet Equinox?
NHTSA has 361 complaints about the engine & cooling of the 2012 Chevrolet Equinox, 53% of the model year's 685 complaints. The component named most often is exhaust system › emission control › catalytic convertor (2 mentions).
Is there a recall for 2012 Chevrolet Equinox engine problems?
No. NHTSA lists no engine & cooling recall for the 2012 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 2012 Chevrolet Equinox engine problems start?
Half of the complaints with a recorded mileage happened before about 89,000 miles, and 3% before 25,000 miles.
Is it dangerous?
Owners linked 3 crashes, 3 fires and 0 injuries 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.