3800 Doesn't want to start...

[imported_Theautoguy]

A friend of mine from work has a 98'ish GP GT that is not wanting to start or at least stay running. He says it turns over and wants to start but doesn't. I told him to try it with the gas peddle to the floor and see what happens. (Not to pump it...just hold to the floor and feather it if it starts.) He said it did start and he was able to feather the peddle to keep it running but it wouldn't hold an idle. There are no SES lights either.

I have a few thoughts but I was hoping others can chime in with options.

Thanks

Don

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[got3800.com]

<div class='quotetop'>QUOTE (Theautoguy @ Mar 7 2008, 10:10 AM) <{POST_SNAPBACK}></div>

A friend of mine from work has a 98'ish GP GT that is not wanting to start or at least stay running. He says it turns over and wants to start but doesn't. I told him to try it with the gas peddle to the floor and see what happens. (Not to pump it...just hold to the floor and feather it if it starts.) He said it did start and he was able to feather the peddle to keep it running but it wouldn't hold an idle. There are no SES lights either.

I have a few thoughts but I was hoping others can chime in with options.

Thanks

Don[/b]

Just had a problem like this, I’m guessing it’s the ignition coil (not starting) or ignition control module (Bearly starting and not staying running). Obviously not positive but that’s my experience.

 

[imported_snoop]

what has he done to the car at all or recently....

starting and no idle, sounds to me like he has a vacuum leak, or maybe maf sensor( on the tb) is messed up. look at those two things and let us know.

 

[got3800.com]

<div class='quotetop'>QUOTE (snoop @ Mar 7 2008, 03:13 PM) <{POST_SNAPBACK}></div>

...vacuum leak...[/b]

also agree with this....its a tough call when theres a couple possibilities.

 

[Toasty]

i suppose it could be the IAC, but i would expect it to stay running at least a bit unless it's really really bad

 

[imported_Ron Vogel]

Did you check the plugs? Pull one and smell it.

Has the UIM ever been swapped to the updated one?

 

[imported_Theautoguy]

Thanks for the input guys...I'll run the questions and directions by him and see what he comes up with.