Question about 1995 GMC Sonoma

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Starts nocking 10 minuits after running sound great the first ten minuits and the truck throws no codes

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  • Ned C Cook
    Ned C Cook May 11, 2010

    What oil are you using?



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A 95 is only obd1 so problably wont get many codes. the oil is thicker in the first ten minutes or so, after it warms up the oil thins out. short of rebuilding the engine and/or doing a head job, try some lucas oil treatment or high tach. both are very viscous and help with thin oil

Posted on Oct 03, 2009


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