Thread: 2002 GTP Injector issue

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  1. #1 2002 GTP Injector issue 
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    I have GTP vehicle I bought as a donor car for another vehicle that needs an engine. The engine turns over fine, the fuel pump comes on, but the injectors are not firing. What could be wrong here? I need to try and get this engine to run on its own so I can be sure it's not something like the crankshaft position sensor or something. Planning to go to Florida soon and need to have this project done ASAP with the much appreciated help of this forum.

    Yes I am a noob
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  2. #2 Re: 2002 GTP Injector issue 
    GrandPrix Junkie
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    Have you checked all the fuses (inside the car and under the hood)?
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  3. #3 Re: 2002 GTP Injector issue 
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    where in the car are the other fuses? Under the seat like on my SSEi Bonneville?
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  4. #4 Re: 2002 GTP Injector issue 
    Killa Bee Scottydoggs's Avatar
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    glove box and under the hood pass side fender. black box near the battery.

    use a test light in the injector plug see if it flashes when the key is turned to run or start. you'll need some one to turn the key for you. it will only flash a few times as the key is turned cause it being primed to start.

    or you can use a side marker light bulb out of the head light, pull the tabs out on the bulb and stick it in the injector plug, the bulb will flash if the injector is getting power.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #5 Re: 2002 GTP Injector issue 
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    do you know what fuse number it is or is it labeled?
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  6. #6 Re: 2002 GTP Injector issue 
    Killa Bee Scottydoggs's Avatar
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    theres a fuse map on the inside of the fuse box cover, pull and check every one if need be.

    you should also be looking for damaged wires.

    maybe some back story would help out too.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  7. #7 Re: 2002 GTP Injector issue 
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    This car IS wrecked so I am sure that could be a reason why the injectors aren't spraying.
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  8. #8 Re: 2002 GTP Injector issue 
    Killa Bee Scottydoggs's Avatar
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    if its crashed in the front, yeah there could be bad wires now.

    if the engine ran before the wreck, rip it out and use it.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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