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1992 Chevrolet G Series Van (G20) Question: 42,000 miles and has a rough idle it`s been sitting in a garage for 6 months.

 

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Whittieo, Piqua, OH, October 14, 2012, 04:17
 Rookie

it knocks on take off and smoothes out some on hte road but still knocks some

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  • Answer #1

    mastertech6371 October 14, 2012, 08:42
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     Master

    did you change all the fluids???

    spark plugs?? fuel filter???
    is the check engine light on??

    Roy

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