1997 Ford Pinto P-0305 Cylinder 5 misfire

Tiny
MUSTANG97
  • MEMBER
  • 1997 FORD PINTO
Interior problem
1997 Ford Pinto 6 cyl Two Wheel Drive Manual

Car starts hard, runs rough at an idle, Check engine light on and sometimes flashes. I replace the coil pack, plugs, wires. Code still comes back
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Saturday, July 25th, 2009 AT 11:24 PM

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Tiny
RASMATAZ
  • MEMBER
A specific misfire on a cylinder should lead you to check the plug, compression and injector for that cylinder

Misfires can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
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Saturday, July 25th, 2009 AT 11:33 PM

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