I REPLACED SPARK PLUGSWIRESROTOR BUTTONCAP ETC ...

1997 GMC C1500

Tiny

Anonymous

March, 1, 2013 AT 1:45 PM

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.

FOUND 4125 RELATED QUESTIONS

1 Answer

Tiny

hmac300

March, 1, 2013 AT 2:05 PM

Check compression in those cylinders acheck fuel pressure if low causes this, check for a vacuum leak.

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