Thread: Just bought a 2004 Grand Prix Gtp Comp G but many problems..

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  1. #1 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
    Resident HOMOsapien ZR1Vette09's Avatar
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    Quote Originally Posted by scottydoggs View Post
    i dont want to confuse this guy, but

    white smoke is coolant,

    black smoke is fuel (aka real rich)

    and blue smoke is oil


    no?
    i always heard white smoke is fuel.explained why my blazer that ran on 5 cylinders blew white smoke out year round. I could be wrong though
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  2. #2 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    How would you measure it? Just place it along the spark plug wire next to where it says 1-2-3-4 etc? on the head? The engine doesn't seem like it runs rough. It is pretty responsive. I just get nervous when it starts to overheat.


    Quote Originally Posted by ZR1Vette09 View Post
    gurgling means there's air in the system, common issue and easy fix, just bleed the system. white smoke (thick white smoke) means you're running rich aka too much gas going into the engine and not all being burned off, which explains your bad mpgs. since you had a mechanic do the tuneup, i'd say double check the spark plugs, make sure they are gapped correctly and that they aren't saturated with fuel. You can check the gap with this



    probably 2 bucks at your local parts store, just ensure that the space is .060" (IIRC that's the right gap for stock gtp) does the engine feel like it runs rough? cleaning the MAF may help slightly, o2 sensor may also be the culprit but might as well try the cheap and free stuff first
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  3. #3 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    too rich is black smoke.

    oil is blue.

    coolant is white.

    water moisture is also white.

    take off your TB and clean it till it shines.
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  4. #4 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    I don't know what a TB is haha. Sorry, im a newbie.


    Quote Originally Posted by matt5112 View Post
    too rich is black smoke.

    oil is blue.

    coolant is white.

    water moisture is also white.

    take off your TB and clean it till it shines.
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  5. #5 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    What about the ac motor not blowing. Is that fixable?
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  6. #6 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    Also, is it true that the supercharger has its own oil that you have to change??
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  7. #7 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    Quote Originally Posted by ThingaMagid View Post
    Also, is it true that the supercharger has its own oil that you have to change??
    yes.

    There is a plug on the front of what we call the "snout" which is the part with the pulley on the end, that bolts into two other peices that make up the blower.

    The fluid can be sucked out with a syringe and some tubing.

    Then go to the dealer and ask for two bottles of supercharger fluid.

    fill till its at the bottom of the threads of the plug. (make sure the car is level)

    Gotta take the engine cover to see that though.

    I'd suggest throwing out the engine cover. Just makes things hotter and decreases the life of everything.

    If you're in a bind, Mobil 1 5W-30 is a GM approved temporary solution for southern states all year 'round or summer only in northern states.
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  8. #8 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    I think I have gotten more info here then alllll the mechanics I have gone to. Its crazy.
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  9. #9 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    grandprixforums.net should open there own Auto Shop haha. It would be so much better than what's out there now.
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  10. #10 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
    Killa Bee Scottydoggs's Avatar
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    you just live in a bad town, every shop there is a back yard butcher, or a flat tire fix shop that sells rims lol

    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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  11. #11 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    Very true.

    Quote Originally Posted by scottydoggs View Post
    you just live in a bad town, every shop there is a back yard butcher, or a flat tire fix shop that sells rims lol
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  12. #12 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    Do you happen to know why the AC motor goes on and off when I hit a bump and if its fixable?


    Quote Originally Posted by scottydoggs View Post
    you just live in a bad town, every shop there is a back yard butcher, or a flat tire fix shop that sells rims lol
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  13. #13 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
    Killa Bee Scottydoggs's Avatar
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    Quote Originally Posted by ThingaMagid View Post
    Do you happen to know why the AC motor goes on and off when I hit a bump and if its fixable?
    that sounds like a loose wire, or maybe the blower motor resistor, witch is under the dash behind the glove box, along with the blower its self, theres a write up here in the how to section on that, i haven't had to deal with it myself yet. search away for that one.

    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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  14. #14 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
    Audio Moderator I800C0LLECT's Avatar
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    Quote Originally Posted by scottydoggs View Post
    that sounds like a loose wire, or maybe the blower motor resistor, witch is under the dash behind the glove box, along with the blower its self, theres a write up here in the how to section on that, i haven't had to deal with it myself yet. search away for that one.


    I don't know if this helps...on my 04 the wiring for the HVAC panel was rubbing on the dash console and frayed a couple of wires causing a similar issue for me.
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  15. #15 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
    GXP Level Member Tuner-Extraordinaire's Avatar
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    wow, that car has ISSUES.
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  16. #16 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
    Killa Bee Scottydoggs's Avatar
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    Quote Originally Posted by Nixon View Post
    wow, that car has ISSUES.
    yeah right!, its got a few bugs lol nothing that cant be fixed though.

    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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  17. #17 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    Well thanks for that!! Haha.


    Quote Originally Posted by Nixon View Post
    wow, that car has ISSUES.
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  18. #18 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
    GXP Level Member Tuner-Extraordinaire's Avatar
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    I'm just saying....my 04's been ROCK solid.
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  19. #19 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
    Killa Bee Scottydoggs's Avatar
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    your car aint from queens NY lol, the city life is so hard on car over here, bad roads bad shops and people who drive cars till they stop working and they get left on the side of the cross Bronx expressway for the insurance money,(cars used to get stripped over night if left on that highway) if they have insurance that is.

    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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  20. #20 Re: Just bought a 2004 Grand Prix Gtp Comp G but many problems.. 
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    Again, very true, haha.


    Quote Originally Posted by scottydoggs View Post
    your car aint from queens NY lol, the city life is so hard on car over here, bad roads bad shops and people who drive cars till they stop working and they get left on the side of the cross Bronx expressway for the insurance money,(cars used to get stripped over night if left on that highway) if they have insurance that is.
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