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

(1998 GMC Jimmy)
in Johnsonville, NY on January 06, 2013
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.
Displaying 2 answers & 2 comments
Popular Answer
on January 06, 2013
How many spark pluges does your engine have? Then we have a clue as to what motor we are talking about!
on January 06, 2013
2.3 8 pluger
on January 07, 2013
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!
of Greg's Orange Auto on January 07, 2013
ck fuel pressure, may be to low caused by fuel pressure regulator or pump
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