Thread: 05 Grand Prix not starting correctly

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  1. #1 Re: 05 Grand Prix not starting correctly 
    GT Level Member gpgt04's Avatar
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    i had this problem and so have a few others with 04+ models. i'd recommend cleaning your throttle body. a lot of junk builds up in there . see how that works. you just need basic hand tools to take it off then spray it with tb cleaner. its a good time to clean your maf sensor too. about the windshield washer fluid idk
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  2. #2 Re: 05 Grand Prix not starting correctly 
    GTX Level Member imdaman3's Avatar
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    sounds like the fuel pressure regulator tryin smell into your throttle body and see if you smell gas
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  3. #3 Re: 05 Grand Prix not starting correctly 
    Donating Users dirtmaster88's Avatar
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    Quote Originally Posted by gpgt04 View Post
    i had this problem and so have a few others with 04+ models. i'd recommend cleaning your throttle body. a lot of junk builds up in there . see how that works. you just need basic hand tools to take it off then spray it with tb cleaner. its a good time to clean your maf sensor too. about the windshield washer fluid idk
    x2

    Had this identical issue on my 04 gtp. Pulled the throttle body off and it was absolutely filthy. World of a difference after cleaning it. Here's a good writeup to follow if you need help: Grand Prixs Of North America • View topic - clean your MAF & Throttle Body

    GL

    2004 GTP CompG - 3.6" ZZP MPS, K&N CAI, 180* Tstat, SSAC Headers, ZZP Flex, high flow cat, borla exhaust, DHP/danthurs tune, AL104s, ZZP Wires, alt re-wire, slotted/drilled rotors, 35% tint, alpine amp + sub
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