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07 gp dies right after start up
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jlrodgers74
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Dec 11, 2011, 8:22 PM
Post #1 of 7
(1694 views)
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07 gp dies right after start up
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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)
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zmame
Veteran
/ Moderator
Dec 11, 2011, 8:28 PM
Post #2 of 7
(1681 views)
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Re: 07 gp dies right after start up
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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.
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jlrodgers74
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Dec 12, 2011, 7:02 AM
Post #3 of 7
(1642 views)
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Re: 07 gp dies right after start up
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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.
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zmame
Veteran
/ Moderator
Dec 12, 2011, 10:43 AM
Post #4 of 7
(1635 views)
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Re: 07 gp dies right after start up
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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.
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pooby92
User
Dec 12, 2011, 8:16 PM
Post #5 of 7
(1626 views)
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Re: 07 gp dies right after start up
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I've seen similar symptoms on GM cars when the security system acts up.
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jlrodgers74
User
Dec 13, 2011, 1:09 PM
Post #7 of 7
(1607 views)
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Re: 07 gp dies right after start up
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I will be renting pressure test kit this weekend. i will keep u posted
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