Throwing missfire code and runs rough.

Tiny
JOSH22GILLESPIE91
  • 1997 CHEVROLET SILVERADO
  • 125,000 MILES

I have a 97 Chevy z71 its throwing a missfire code on cylinder 3. Replaced plugs noticed 3 was black. Replaced, wires, cap, rotor, fuel pump and filter, still didn't help. Could this be the injector?

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Tuesday, October 9th, 2012 AT 8:07 PM

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Tiny
SATURNTECH9
  • EXPERT
  • 30,628 POSTS

Is it a constant miss fire?

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Tuesday, October 9th, 2012 AT 8:30 PM

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