2012 Chevrolet Impala engine problems
40 owner complaints filed with NHTSA name the engine on the 2012 Chevrolet Impala — 16% of all complaints for this model year.
What owners report
“I have about 08/1825 had the throttle body replaced on my vehicle which assisted with the problem temporarily. Then the problem started again 09/20/25 the car act like it’s stalling while driving and can’t see what hear the vehicle is in. The car is not getting any signal to the engine as I have…”
filed Sep 23, 2025
“I have trouble codes that occasionally come up even after vehicle has been serviced. The vehicle used to drive fine. Now it started miss firing. I was told the problem was coming from the engine compartment/sensors. An OBDII diagnosis detects a problem with B Camshaft Position Timing Over Advanced…”
filed May 10, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Impala years
| Year | Reports | Share |
|---|---|---|
| 2019 Impala | 2 | 7% |
| 2018 Impala | 7 | 12% |
| 2017 Impala | 21 | 18% |
| 2016 Impala | 20 | 18% |
| 2015 Impala | 19 | 6% |
| 2014 Impala | 56 | 9% |
| 2013 Impala | 30 | 11% |
| 2011 Impala | 125 | 25% |
| 2010 Impala | 88 | 20% |
| 2009 Impala | 179 | 22% |
| 2008 Impala | 134 | 17% |
| 2007 Impala | 77 | 12% |
Other reported problem areas on the 2012 Chevrolet Impala
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.