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1995 Pontiac Sunfire

Tiny
DONBOOTHROYD
  • MEMBER
  • 1995 PONTIAC SUNFIRE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 160,000 MILES
My 1995 sunfire's no. 2 cylinder is not firing. I have replaced plugs, wires, and coils, but it is not any better what else could be the problem?
Monday, December 27th, 2010 AT 3:56 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Are you saying no visible spark at cylinder #2? Do you have any visible spark at cylinder #3?
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Monday, December 27th, 2010 AT 4:05 PM
Tiny
DONBOOTHROYD
  • MEMBER
  • 2 POSTS
A computer hooked to the system said no 2 not firing.
That is when I replacep plugs and wires, then nothing so I replaced coils, still nothing
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Monday, December 27th, 2010 AT 6:25 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Visibly check for spark. If the ignition assembly sits on top of plugs, it can be a pain to check for spark, but still possible. Are there any driveability issues? Check fuel pressure, use a gage. Fuel--spark and compression are issues I'd want to check.
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Monday, December 27th, 2010 AT 7:53 PM

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