Thread: Stock timing advance for 98 GTP???

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  1. #1 Stock timing advance for 98 GTP??? 
    GT Level Member Spartanzz's Avatar
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    Ok so we are trying to deduce where my misfire at idle is coming from we are working off a theory that it has to be some electrical so we are taking a look at the timing advance. What should the timing advance be at idle for a 98 GTP???
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  2. #2 Re: Stock timing advance for 98 GTP??? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Are you modded in any way????

    Because if its just 1 cylinder that has a misfire and is at idle only that its pretty much a normal problem that will happen with modded cars. Sure not every car does it, but many do.

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  3. #3 Re: Stock timing advance for 98 GTP??? 
    GT Level Member Spartanzz's Avatar
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    nothing on the car but a cone ebay intake thats it...and even then it had the misfire before that
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  4. #4 Re: Stock timing advance for 98 GTP??? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    have you done the basics and did the normal plugs and wires change yet?

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  5. #5 Re: Stock timing advance for 98 GTP??? 
    GT Level Member Spartanzz's Avatar
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    yeah i have all plugs wires coil is new ICM is new swapped injectors even swapped plugs a couple times to be sure fuel filter is new IAC is new. I do have another thread that i have up just trying to cover everything before i start looking into it being mechanical...cuz we think its a very veyr small chance its mechanical cuz there is no bogging down and loss of power in normal driving or WOT we think it has to be eclectically but any input is always appreciated because as soon as i get rid of this misfire then i can stop worrying about it and start getting mods for this GTP
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  6. #6 Re: Stock timing advance for 98 GTP??? 
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    What plugs do you have?
    Slowest 'Cooled Gen V ever

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  7. #7 Re: Stock timing advance for 98 GTP??? 
    GTP Level Member 01gpgt01's Avatar
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    idle misfire while in park or neutral is normal. does it toss a CEL? If not I wouldnt worry
    2001 GT. A few here and there mods http://www.streetfire.net/video/2001...ynp_208097.htm

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  8. #8 Re: Stock timing advance for 98 GTP??? 
    GT Level Member Spartanzz's Avatar
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    the plugs i have at AL104 i believe but the misfire was still there with the old tock plugs...and the misfire isnt only in neutral or park its even in drive while sitting at a light and if parcked on a hill facing down you can feel the car rock back and forth and yes it does throw a code
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