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I replaced spark plugs, wires, rotor button, cap.
1997 GMC C1500
I replaced spark plugs, wires, rotor button, cap etc and still have a miss in number 5 and 7 after it warms up. Works fine when cold. I even had injectors flushed.
Friday, March 1st, 2013 AT 1:45 PM
Check compression in those cylinders acheck fuel pressure if low causes this, check for a vacuum leak.
Friday, March 1st, 2013 AT 2:05 PM
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