05/01/2008, 5:58PM
supercharge boost sensor
i had a fault code of p0240 come up on my 04 gtp do i have to change sensor or go back to premium gas
05/02/2008, 1:09PM
Try going back to premium first, then go from there. Supercharged and turbocharged cars require premium.
05/02/2008, 2:55PM
you need to use premium gas always for a turbo or supercharged vehicle.
Other Pontiac Grand Prix Years