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.
GMC Q&AAsk Your Question
1998 GMC Jimmy Question: Hard starting at times idles well skips and bucks when starting to drive
Answer #1pushrod January 06, 2013, 21:24Master
How many spark pluges does your engine have? Then we have a clue as to what motor we are talking about!
Replyjdmosher, January 06, 2013, 22:06Rookie
2.3 8 pluger
Replypushrod, January 07, 2013, 01:13Master
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!
Answer #2Greg's Orange Auto (14611 Answers) , Orange, CA - (714) 361-9386globalhelper January 07, 2013, 06:34Master
ck fuel pressure, may be to low caused by fuel pressure regulator or pump