Thread: Diagnostic port not working

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  1. #1 Diagnostic port not working 
    GT Level Member xxburkettxx07's Avatar
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    I have 98 gtp just put a zzp ecm in don't know if this has anything to do with my problem. Check engine light is on I plug both my scanners in and I get an err. every time what could be wrong petty sure my light is on for a miss fire..Any help would be great
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  2. #2 Re: Diagnostic port not working 
    GXP Level Member GTPpower's Avatar
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    Check your cigarette lighter fuse.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  3. #3 Re: Diagnostic port not working 
    GT Level Member xxburkettxx07's Avatar
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    It's blown
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  4. #4 Re: Diagnostic port not working 
    GXP Level Member GTPpower's Avatar
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    Replace it. That's most likely why your obdii port doesn't work.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  5. #5 Re: Diagnostic port not working 
    GT Level Member xxburkettxx07's Avatar
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    Would have never guessed that thanks I'm give it a shot
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  6. #6 Re: Diagnostic port not working 
    GT Level Member xxburkettxx07's Avatar
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    It fixed it thank
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