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1999 GMC Sonoma Question: engine light

 

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jamiess68, 4.3L V6, Mckeesport, PA, January 29, 2011, 16:45
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engin light is on. engine runs rough at idle, auto zone can not read the computer, why cant they get any info from it

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  • Answer #1

    joelburke26 from Joels Auto Service, January 30, 2011, 08:04
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     Master

    check the cigarette lighter fuse,its integrated with your diagnostic link connecter.if its blown it wont communicate with a scan tool.

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