1996 Chevy Tahoe engine misfire

Tiny
WILLIAM LABRECQUE
  • MEMBER
  • 1996 CHEVROLET TAHOE
  • V8
  • 2WD
  • AUTOMATIC
  • 131,000 MILES
My Tahoe has started running rough. When code is read it says misfire on #2 cyl. The thing is, when its cold its ok but right at 180 deg it sets the engine light on
. Ive changed plugs & wires but its still on #2. Mechanic says its probably injectors, so I ran cleaner but no help.
Any suggestions from somebody that has had similar problems. I also changed cap & rotor. No change.
Monday, December 7th, 2009 AT 8:06 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,644 POSTS
Have you checked if the cylender is getting spark? Also, using a noid light, are you getting a pulse from the fuel injector?
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Friday, December 11th, 2009 AT 8:35 PM
Tiny
WILLIAM LABRECQUE
  • MEMBER
  • 5 POSTS
It's a problem that occurrs intermittently and at varying speeds. The only thing that SEEMS to be the same each time is the temp. I cannot check for spark or fuel pulse as I am driving about 40mph when it happens. Any other suggestions?
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Tuesday, January 19th, 2010 AT 2:05 PM

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