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01-31-2014
Hi guys, I have a 2004 Pontiac grand prix gt. the problem I have is when the car is cold it starts right up no problms. But I let it run, shut it off and try again it will start for a few seconds and sputter stall out unless I apply a little gas with the peddle then it will stay running. Please help!!
01-31-2014
Clean the throttle body and MAF sensor, see if it gets better.
01-31-2014
I changed the MAF, MAP Sensor and EGR Valve
01-31-2014
Okay, but did you ever clean the throttle body?
01-31-2014
yes
01-31-2014
what else can it be
01-31-2014
My 2004 had the same kind of sporadic problem. Since I cleaned the TB and MAF I haven't had any problems.
Did you take the TB off to clean it?
You might want to clean it again.
01-31-2014
yes with the cleaner I did it
06-20-2014
fpr or injector leak down can create this symptom. to test, put a fuel gauge on the Schrader valve and prime the fuel system. watch for a pressure drop.
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