1997 Chevy Blazer missfire

Tiny
CHICHIH
  • MEMBER
  • 1997 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 89,000 MILES
No 1 cylinder missing fire I check the injector all are ok. What else could cause missing fire
Sunday, January 17th, 2010 AT 9:30 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
An engine misfiring 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.A misfire in a specific cylinder should lead you to check the spark plug, fuel injector and compression.
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Sunday, January 17th, 2010 AT 4:14 PM

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