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07 gp dies right after start up


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jlrodgers74
User

Dec 11, 2011, 8:22 PM

Post #1 of 7 (1586 views)
07 gp dies right after start up Sign In

I have an 07 Grand Prix with 113k on it. It has been stalling right after start up. It starts right back up and seems runs fine. Sometimes it does stall a couple times though. I have not noticed this problem on first start up of the day or after the car has sat and cooled off . In a seperate issue, when i turn on right turn signal, the brights will turn on. I will then have to turn brights on then off to get them to shut off. Any tips on where to start my trouble shooting for either of these problems would be appreciated. thx


(This post was edited by jlrodgers74 on Dec 11, 2011, 9:27 PM)


zmame
Veteran / Moderator
zmame profile image

Dec 11, 2011, 8:28 PM

Post #2 of 7 (1573 views)
Re: 07 gp dies right after start up Sign In

Sounds like might have issue with fuel bleeding off.

-external leak in the fuel system
-fault in pump(allowing pressure to bleed off)
-injector leaking down
-Partially stuck open Fuel pressure regulator.


jlrodgers74
User

Dec 12, 2011, 7:02 AM

Post #3 of 7 (1534 views)
Re: 07 gp dies right after start up Sign In

It starts fine first thing in the morning. If presure was bleeding off, wouldnt that affect first start of the day? It seems to only do it once the car has been warmed up.


zmame
Veteran / Moderator
zmame profile image

Dec 12, 2011, 10:43 AM

Post #4 of 7 (1527 views)
Re: 07 gp dies right after start up Sign In

Probably not a external leak then, but possibility still lies with the other possible faults I listed. Could be many things goto start somewhere. I would get a fuel pressure tester then check and see what the pressure is with the key on engine off (after warmed up) and key on engine cranking. Then you will know if it's fuel related or not.


pooby92
User

Dec 12, 2011, 8:16 PM

Post #5 of 7 (1518 views)
Re: 07 gp dies right after start up Sign In

I've seen similar symptoms on GM cars when the security system acts up.


Hammer Time
Ultimate Carjunky / Moderator
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Dec 12, 2011, 8:29 PM

Post #6 of 7 (1514 views)
Re: 07 gp dies right after start up Sign In


Quote
I've seen similar symptoms on GM cars when the security system acts up.


No you haven't. This car starts right back up and runs fine. A security failure would not do that. Z has given good advice.



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jlrodgers74
User

Dec 13, 2011, 1:09 PM

Post #7 of 7 (1499 views)
Re: 07 gp dies right after start up Sign In

I will be renting pressure test kit this weekend. i will keep u posted






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