2011 Chevrolet Impala fuel/propulsion system problems
16 owner complaints filed with NHTSA name the fuel/propulsion system on the 2011 Chevrolet Impala — 3% of all complaints for this model year.
What owners report
“This problem has happened for many many years. Made appointments @ Fuccillo Chevy dealer, by then it’s gone off & they don’t know! Well, just occurred again when getting new tires @Dunn pulling in. 2011 impala Stabilitrak, engine power loss, then check engine light! Thank goodness the mechanic…”
filed Nov 12, 2023
“Multiple throttle body failures, first one was replaced by gm at 33k miles last until about 70k since 2017 had to replace 3 more times all new parts being under warranty. On 4th throttle body now, usually happens when car is in normal city driving...”
filed Jan 17, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Impala years
| Year | Reports | Share |
|---|---|---|
| 2019 Impala | 2 | 7% |
| 2018 Impala | 2 | 3% |
| 2017 Impala | 4 | 3% |
| 2016 Impala | 5 | 5% |
| 2015 Impala | 10 | 3% |
| 2014 Impala | 11 | 2% |
| 2013 Impala | 8 | 3% |
| 2012 Impala | 17 | 7% |
| 2010 Impala | 16 | 4% |
| 2009 Impala | 17 | 2% |
| 2008 Impala | 12 | 1% |
| 2007 Impala | 13 | 2% |
Other reported problem areas on the 2011 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.