2020 Chevrolet Impala Engine Problems
- Complaints
- 1about this part
- Share
- 7%of 15 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2020 Chevrolet Impala, 7% of the 15 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was driving down the highway in anchorage ak I heard a loud bang like a gunshot , when the vehicle was inspected I was told basically Evap, fuel system , fans , electrical , Cadillac converter exploded was the loud bang ! Serious issues have caused the vehicle to be inoperable !”
NHTSA complaint #11615402, filed 2024-09Related 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…
- 11019503Apr 18, 2025This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California…
- 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.
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 2020 Chevrolet Impala
7 complaintsElectrical system
3 complaintsSteering
3 complaintsAir bags
2 complaintsFuel system
2 complaintsTransmission and drivetrain
2 complaintsExterior lighting
1 complaintsLane departure
1 complaintsSeat belts
1 complaintsSeats
1 complaintsBody and structure
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2020 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