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Old 10-07-2010, 07:50 PM
9901gp 9901gp is offline
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starting problem

I have a 99GTP with 47k miles. it has a 3.4 pulley, headers and basic supporting mods. Lately eithor it wont start unless I give it throttle while turning the key, or it will kinda sputter and start up. Also, the lighting in the car will get real dim along with the sputtering until its completely running. It runs/drives great otherwise. I changed the fuel pressure regulator, still the same things happen, I was thinking maby the injectors? Any ideas on whats going on? thanks
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Old 10-07-2010, 08:24 PM
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tblake tblake is offline
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Re: starting problem

Clean the IAC motor and its bore with some carb cleaner.

Then check fuel pressure and make sure its with-in spec. (45psi comes to mind)
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-2000 Grand Prix GTP 170,000mi (daily driver)
-2000 Olds Alero 100,000mi (soon to be DD with gas at $3.45/gal)
-1997 Chev K1500 4x4 115,000mi (Natalie's truck [nans_grandprix])


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