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04 stalls at start up throughout the day even when not cold whats the cause?

B

bjornbjorn

New member
I have a 2004 Grand Prix GT it has 170,000 kms and has been having problems at startup. Sometimes when I start up it stalls out and I have to try again and it starts fine when applying gas. It does it on warmer days as well as colder days. I find it does it more frequent on Cold days but the problem still exists on warm days. Also a few times when it stall the radio clock will reset. What could the problem be and what is the fix? Any help would be much appreciated thank you.
 


I was under the impression that a dirty throttle body would cause stalling and irregular idle when stopped at lights and such. I am fine once started its only when starting up anytime of the day. I was thinking it could be the fuel filter??? Could this be the problem???
 


You coulda used google, but here.


Here is a basic picture of what your throttle body looks like, its bolted to the Upper intake manifold, and has a intake tube running to it.
corsa_throttle_body_9192122.jpg


Here is you maf sensor, which is inside the intake tube.

DIY025.jpg
 
I had that same problem with my 04 GT. Mine was doing it about once a week and after the cleaning it hasn't done it in the year since. I used the 3M "Fuel System Tune-Up Kit" because it was more than just a throttle plate clean. It was easy and had clear instructions - though not specific to our Grand Prix, of course. That was just what I used because I didn't want to remove the TB completely.
 
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