RobL
Newbie
I have a 92 Sierra. 4.3. Running real rough when warm. Changed fuel filter. New plugs and wires but still runs rough at idle and accelerating. Runs fine at hwy speeds.
Any suggestions?
Thanks
Any suggestions?
Thanks
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Was it running properly then?Tuned up maybe 1000 miles ago.
I found it. One of the plugs wires was bad.Was it running properly then?
What about the other issues I asked about?