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1998 GMC Jimmy

 

Question: Hard starting at times idles well skips and bucks when starting to drive

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jdmosher, Johnsonville, NY, January 06, 2013, 20:09
 Rookie

Changed plugs . Very hard to start at times , when I get it started it idles well but when I get going it skips and bucks.

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  • Answer #1

    wetry January 06, 2013, 21:24
     Master

    How many spark pluges does your engine have? Then we have a clue as to what motor we are talking about!

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    jdmosher, January 06, 2013, 22:06
     Rookie

    2.3 8 pluger

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    wetry, January 07, 2013, 01:13
     Master

    Just as i thought! Adjust the carb. check point gap and choke stove. Heat riser may be stuck. Vacuum advance inop.
    Centrifugal weight springs can be changed so mechanical advance override is prevalent!

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  • Answer #2

    Greg's Orange Auto (8341 Answers) , Orange, CA - (714) 361-9355
    globalhelper January 07, 2013, 06:34
     Master

    ck fuel pressure, may be to low caused by fuel pressure regulator or pump

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