Thread: Need help with a P0300 code

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  1. #1 Re: Need help with a P0300 code 
    GrandPrix Junkie SgtMarshal's Avatar
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    if you have a scanner, I would scan the LTFT's to see if they go to 0 under wot and what they are during normal driving.
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  2. #2 Re: Need help with a P0300 code 
    SE Level Member derpyimp's Avatar
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    Quote Originally Posted by SgtMarshal View Post
    if you have a scanner, I would scan the LTFT's to see if they go to 0 under wot and what they are during normal driving.
    I just went to drive it again and it was missing really bad even under very light throttle. Here's the scan from when I tried going WOT, starting at about the 5 mark on those line graphs.
    http://i346.photobucket.com/albums/p...pstsxgwxd2.png
    '04 GTP Comp-G - 14.871 @ 93.30 (6600 ft DA) - 3.6 MPS, SD headers w/ high-flow cat, Gutted stock airbox, Transgo shift kit, AL 104s, 180 tstat, GMPP front sway bar, poly control arm bushings, Tune by Dyno Brian
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