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PLEASE HELP!!!Grand prix won't start when warm unless pumping the gas pedal..

hockeybawler

hockeybawler

New member
So ever since I got my 2004 grand prix gt1 I have noticed that it won't start up when the engine is warm unless you pump the gas pedal when it turning the key. If you don't give it some gas it will start for a second and then just die. When it is colder out and the engine is cold it fires right up without any problems. Does anyone know what could be the problem? Thanks for all the help in advance!
 


Not really needed. Just remove the entire TB from the intake and spray the crap out of it w/ TB Cleaner, paying attention to the throttle plate. Then use MAF approved cleaner on the MAF, let it all dry and reassemble. Bet ya it'll fire right up after that. Do not spray TB cleaner while it is attached to the car. You don't want to fill your intake full of cleaner. Might want to clean the IAC too.
 
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