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2002 Chevy Trailblazer check engine light

Tiny
BULLCRAB
  • MEMBER
  • 2002 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 51,390 MILES
Rough idle when leaving a light cleared code for cyclinder missfire(5) did the plugs, coil, f filtercode still come's back after all is checked again
Saturday, January 26th, 2008 AT 6:32 PM

3 Replies

Tiny
BULLCRAB
  • MEMBER
  • 6 POSTS
Bump
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Tuesday, January 29th, 2008 AT 12:51 PM
Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
Check th cylinder 5 injector connector for a poor connection.
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Thursday, January 31st, 2008 AT 9:32 PM
Tiny
BULLCRAB
  • MEMBER
  • 6 POSTS
Found out that the trailblazer has a leak in some of there molding on back edge of hood causing, coils to get wet in bad weather, mine got wet and brought up misfire on cyclinder 5 change coil check light came back on, coil was bad it was brand new(how I know they swicthed coil on 5 to 6 had misfire moved to 6 )( the water can get in just above cyclinder 5) edge mold P/n25788476 this happens on models 2002-2007
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Thursday, January 31st, 2008 AT 9:49 PM

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