Gasoline Fuel System Related Problems of the 2018 Chevrolet Impala

Table 1 shows one common gasoline fuel system related problems of the 2018 Chevrolet Impala.

Table 1. Gasoline Fuel System related problems of Chevrolet Impala

Problem Category Number of Problems
Storage Evaporative Emissions Canister problems
1

Storage Evaporative Emissions Canister problem

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. The vehicle was taken to a specialty shop for the repair. The manufacturer was made aware of the failure and offered to pay a nominal part of the repair. The contact declined the assistance. The failure mileage was approximately 60,000.


Gasoline Fuel System related problems in other Chevrolet Impala model year vehicles:



Impala Service Bulletins
Impala Safety Recalls
Impala Defect Investigations