i have replaced my gas cap twice on my 2004 grandprix and the lcheck gas cap lights goes off for about two weeks and comes back on what could this be
Could be a defective gas cap (bad sealing gasket?)
check your gas cap if its loose replace it
yes
You don't have a cap on the radiator. The cap is located directly on the coolant bottle
On the coolant overflow bottle
On the plastic overflow bottle
there is no radiator cap only an over flow cap on the pass.side straight up from the pass.wheel
It hasn't got one.
bottom of radiator
theres no cap on radiator~ it is filled through the recovery tank on the fender well.
no im pretty sure it has coil packs
The fuel tank has a large vapor leak.