Chevrolet Impala Problem Report
Chevrolet Impala Check Engine Light Due to Gas Cap Issue
A Loose or worn gas cap may cause Check Engine Light to illuminate.
reports gas cap, replaced but keeps repeating. paying 100 dollars each time for poor service. weather, raining it comes back. Three gas caps later it still comes back? Help. - Seadad
Check engine light illuminated due to gas cap issue. Replaced cap. Check engine light still on - Visitor
engine light came on . we took the car to have it checked and were told the gas cap was faulty! REALLY? - Visitor
Clean off the inside of the gas cap with WD40. After I got all of this dirt out, the "Tighten Gas Cap" error never came back up. Air must have been getting into the system and reducing the vacuum pressure for the gas going to the engine. - nfox83
check engine light came on due to faulty gas cap. - Visitor
Check Engine light is on because my gas gap is not tight enough, gas cap just twirls around. - Visitor
Check Engine Light Due to Gas Cap PER AUTO ZONE 3 TIMES NOW - Visitor
Replaced Cap - Visitor
i had a faulty gas cap, the check engine light came on, i replaced gas cap, but the check engin...
is the reason the check engine light is on because of the low collant level? or something else?...
Shakes extensively when accelerating between 25 & 50 mph, but also at other speeds. Sometimes i...
On a very rainy day, I got some gas from the Shell and 15 miles later, my check engine light st...
I have a check engine light on. The code indicates secondary air device. This prevents the remo...