2018 Chevrolet Impala Fuel system Problems
- Complaints
- 3about this part
- Share
- 5%of 59 total for the year
- Median mileage
- 60,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2018 Chevrolet Impala, 5% of the 59 complaints for this model year. Where a mileage was given, the median is 60,000 miles.
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.
“When driving on the highway at full speed my car suddenly loses power almost causing me to be hit from behind. I then get a Reduced Engine Power warning. Once I get the car off the road, I shut the engine off for a few minutes and then restart it. The car runs fine but the check engine lights remains on. This has happen 4 times this week.”
NHTSA complaint #11458634, filed 2022-03“I noticed lately my car has trouble starting, especially after I get gas. Anywhere I take it, no one knows what it is. Literally someone said that I’m not holding the brake down when I’m starting it. I KNOW HOW TO START MY VEHICLE! It doesn’t want to start and sounds like a broke down Saturn when I start it. It takes like 20-30 seconds to start. ALSO that AC went out, I paid $700 AT Chevy, and then the AC went out again a few months later, again no one knows why. WTF!”
NHTSA complaint #11458743, filed 2022-03“The contact owns a 2018 Chevrolet Impala. The contact stated that while the A/C was activated during the summer of 2025, the A/C failed to function as intended. The contact stated that hot air was blowing through the vents. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed the vehicle with an EVAP leak. The leak was found on a corner near the evaporative canister. The vehicle was not repaired. The vehicle was then taken to the dealer, where the EVAP leak was confirmed. The vehicle was not repaired due to the cost. …”
NHTSA complaint #11727989, filed 2026-03, 60,000 milesRelated service bulletins
- 11017173Mar 21, 2025This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
- 11007095Aug 7, 2024This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles…
- 11004727Jun 29, 2024This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- 11004761Jun 28, 2024This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or…
- 10253061Mar 4, 2024This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel…
- 10250505Feb 7, 2024This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
- 10246003Oct 16, 2023This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will…
- 10241417Aug 1, 2023This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 2 | 13% |
| 2019 | 2 | 7% |
| 2018 | 3 | 5% |
| 2017 | 4 | 3% |
| 2016 | 5 | 5% |
| 2015 | 10 | 3% |
| 2014 | 13 | 2% |
| 2013 | 10 | 4% |
| 2012 | 18 | 7% |
| 2011 | 17 | 3% |
| 2010 | 17 | 4% |
| 2009 | 19 | 2% |
| 2008 | 19 | 2% |
| 2007 | 23 | 4% |
| 2006 | 20 | 4% |
| 2005 | 42 | 7% |
| 2004 | 37 | 3% |
| 2003 | 26 | 4% |
| 2002 | 34 | 4% |
| 2001 | 39 | 5% |
| 2000 | 76 | 9% |
| 1996 | 9 | 10% |
| 1995 | 5 | 11% |
| 1994 | 4 | 27% |
Other parts of the 2018 Chevrolet Impala
16 complaintsElectrical system
11 complaintsTransmission and drivetrain
11 complaintsBrakes
8 complaintsEngine
7 complaintsSteering
7 complaintsAir bags
6 complaintsExterior lighting
4 complaintsSeats
3 complaintsVehicle speed control
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsWheels
2 complaints
← All problems reported for the 2018 Chevrolet Impala
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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