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Driving me nuts!!! Has plenty of power

388 views 2 replies 2 participants last post by  wildbadbill 
#1 ·
and idles ok,but with the throttle just barelly open (about 14-1500 rpm) it surges BAD!
Changed IAC and MAP,no change.Thought of fuel pump,but it would manifest itself at higher speeds/loads.Spark plugs would also act up through entire range I guess.When it surges like that (light throttle) and take foot of gas,it may occasionally die...wtf?
 
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