YearToAvoid

2011 Chevrolet Impala Fuel System Problems

NHTSA lists 17 Fuel System complaints for the 2011 Chevrolet Impala, 3% of its 505 total complaints that year, with a median failure mileage of 50,175. No related recalls are listed for this issue.

Fuel System complaints
17
3% of 505
Crashes reported
0
Fires reported
0
Injuries reported
0
Median mileage
50,175 mi
Related recalls
0

Typical fuel system symptoms owners report

  • Owners report the fuel gauge dropping suddenly and inaccurately after short drives, showing far less fuel than expected.
  • Several owners describe a 'reduced engine power' message paired with stabilitrak and traction control warnings, sometimes with rough idling or shuddering while changing lanes or passing.
  • Some drivers report the engine losing power or shutting off at highway speed, with loss of power steering and braking until the vehicle is restarted.
  • A recurring complaint involves the throttle position sensor (code P2138) triggering repeated reduced power warnings even after replacement.
  • A few owners report the fuel tank shifting in its mounting bracket, raising concern about a possible fuel leak.
  • One owner reported the accelerator pedal sticking and not returning after being released.

When 2011 Chevrolet Impala fuel system complaints were filed

First complaint Nov 7, 2011, latest Nov 12, 2023.

2011 Chevrolet Impala fuel system complaints: complaints filed per month2Nov 2011Mar 2013Mar 2014May 2014Mar 2015Oct 2018Nov 2023
17 complaints filed with NHTSA from Nov 2011 to Nov 2023; peak Apr 2014 (2).

Fuel System recalls for the 2011 Chevrolet Impala

No safety recalls on record for this model year.

Fuel System complaints by Impala model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 201017 (4%)
  2. 201117 (3%)
  3. 201218 (7%)
  4. 201310 (4%)
  5. 201413 (2%)
  6. 201510 (3%)
  7. 20165 (5%)
  8. 20174 (3%)
  9. 20183 (5%)
  10. 20192 (7%)
  11. 20202 (13%)

Frequently asked questions

How many fuel system complaints does NHTSA have for the 2011 Chevrolet Impala?
NHTSA lists 17 Fuel System complaints for the 2011 Impala, which is 3% of the 505 total complaints filed for that model year.
Is there a recall for the 2011 Chevrolet Impala fuel system?
No. The data shows no related recalls listed for this fuel system complaint category.
At what mileage do fuel system problems typically show up on the 2011 Impala?
The median mileage at failure for fuel system complaints on the 2011 Impala is 50,175 miles.
Did fuel system complaints cause crashes or fires on the 2011 Impala?
NHTSA records show 0 crashes and 0 fires tied to these fuel system complaints, and 0 injuries.
How does the 2011 Impala compare to other years for fuel system complaints?
The 2011 Impala had 17 fuel system complaints (3% share), similar to the 2010 model's 17 complaints (4% share) and the 2012 model's 18 complaints (7% share).

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.