2008 Chevrolet Impala "gas cap light" Questions

...gas cap message, however cap is on and tight. Check engine light is on The gas cap is most likely faulty. The gas cap is an integral part of the evaporative emission system. If it is not sealing or ...

...gas cap need tightening chevrolet impala dash board said my gas cap need tighting while i was driveing but when i stoped and tighten it my check engine light came on now it stayed on what should i do ...

gas cap never tightens. Is this normal? Gas cap ever tightens but no check engine light on, yet. I'm trying to prevent having an issue. Should I replace the gas cap? Some gas caps have a built in slip

...gas cap, engine light Since October 2008, I have replace the gas cap twice, the evap vent solenoid, and the fuel filler neck assembly. The lights come back on with in a day or two. The dealership ...

gas cap thing. I have to make a business trip next week and I know that if it's the gas, it may take one full cycle of full before it right's itself. Should I wait or take it so the computer can get a

Why doesn't my car start, and why the check engine light is on? Why It said tighten gas cap and the light engine us on? security and gas cap leak

gas cap On a 2006 chevy impala it tells you to tighten the gas cap ,then when you do, we shut the car off. Then check engine light comes on. Where is the sensor located. There is no sensor for a loose

...gas cap" indicator. Gas cap has been replaced since. Only way to have engine light off is to disconnect battery & reconnect. This solution only lasts a few days. Diagnostic @ Autozone shows gas ...

...bought a new gas cap and the light came back on. Any suggestions. Why would you buy a gas cap? You were told a large leak,diagnose those issues ,by having the EVAP System smoke tested and ...

...gas cap code is p0449; now the check engine light has not went out been 4 days since replace now what 2 do...help help gas cap code p0449 ??? This is not a gas cap code ! DTC P0449: Evaporative ...