2015 Chevrolet Impala Engine Problems
- Complaints
- 19about this part
- Share
- 6%of 300 total for the year
- Median mileage
- 71,000miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 19 complaints about the engine of the 2015 Chevrolet Impala, 6% of the 300 complaints for this model year. Where a mileage was given, the median is 71,000 miles. 1 of these say a crash was involved and 4 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Rocker arm oil control value was replaced once and has went out again and the piece was said to be faulty but gmc cannot tell anyone a date on when they will have this part available.ive had this part replaced oncve already and now im being told it is no longer available and my car that I haven't had even a year cant be fixed”
NHTSA complaint #11307028, filed 2020-02, 89,000 miles“While driving my car suddenly the information area on the dash board said service stabil a track service traction control and power to engine reduced then the service engine light came on. When I took it to the dealership the service rep told me that I would need to replace the high pressure fuel pump and the fuel feed pipe. He asked if I was using e85. I told him I was and he told me that e85 causes that damages in the Chevrolet vehicles and is why he won't use it in his own vehicle. The owner's manual encourages useing e85. …”
NHTSA complaint #11172049, filed 2019-01, 45,000 miles“Gm reimbursed me for one of two repairs needed to fix a problem that caused the check engine light to turn on. These two repairs were performed three months prior to GM's july 2018 letter advising me of additional protection for my 2015 Impala. I was denied reimbursement for the first fix identified by the car's computer to replace the evac canister vent valve solenoid costing $198.77. I was reimbursed for the second fix to replace the purge valve costing $147.55. In april 2018, GM had not identified any fix other than the ones identified by my car's computer. …”
NHTSA complaint #11127951, filed 2018-09, 41,999 miles“When accelerating, the vehicle revs to high rpms and a loss of power to the wheels occurs. This happens most notably when accelerating to pass while cruising at speeds of 50mph and up. Check engine light appeared and code p16cf was given and tracked directly to the variable timing oil control valve.”
NHTSA complaint #11348900, filed 2020-08, 100,000 miles“There is a slight vibration around 20 to 30 MPH as gears are shifting and it goes away...does it repeatedly at same position and everything goes back to normal...no codes or lights on dash happens mostly in motion on inclines and even ground at same speed grouping”
NHTSA complaint #11391100, filed 2021-02, 151,345 milesRelated service bulletins
- 11026017Jun 5, 2025This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- 11024485May 15, 2025The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 11020254May 7, 2025This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in…
- 11017263Mar 25, 2025This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to…
- 11016942Mar 4, 2025This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to…
- 11014230Jan 31, 2025This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11014233Jan 30, 2025This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 11013069Jan 9, 2025This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11011900Nov 22, 2024This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
- 11011709Nov 5, 2024This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 1 | 7% |
| 2019 | 2 | 7% |
| 2018 | 7 | 12% |
| 2017 | 21 | 18% |
| 2016 | 21 | 19% |
| 2015 | 19 | 6% |
| 2014 | 56 | 9% |
| 2013 | 30 | 11% |
| 2012 | 40 | 16% |
| 2011 | 125 | 25% |
| 2010 | 88 | 20% |
| 2009 | 179 | 22% |
| 2008 | 134 | 17% |
| 2007 | 77 | 12% |
| 2006 | 59 | 11% |
| 2005 | 30 | 5% |
| 2004 | 71 | 7% |
| 2003 | 88 | 13% |
| 2002 | 75 | 9% |
| 2001 | 68 | 9% |
| 2000 | 71 | 9% |
Other parts of the 2015 Chevrolet Impala
96 complaintsOther or unknown
51 complaintsSteering
44 complaintsLane departure
42 complaintsAir bags
29 complaintsBrakes
26 complaintsExterior lighting
22 complaintsElectronic stability control
20 complaintsBody and structure
16 complaintsTransmission and drivetrain
16 complaintsFuel system
10 complaintsVehicle speed control
8 complaints
← All problems reported for the 2015 Chevrolet Impala
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology