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Has a mis at idle or load

Tiny
OZARKIE
  • MEMBER
  • 2006 CHEVROLET TRAILBLAZER
  • 120,000 MILES
Has a mis at idle or load. First it was giving po301 then I replaced the plugs. Now getting po306. Also had an po106 but replaced map sensor and that went away.
Sunday, December 16th, 2012 AT 1:02 AM

7 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Did you gap the plugs?

Roy
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Sunday, December 16th, 2012 AT 1:03 AM
Tiny
OZARKIE
  • MEMBER
  • 5 POSTS
Was told by store iridium plugs were factory gapped
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Sunday, December 16th, 2012 AT 1:05 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Could be a coil failure as well. Have them checked.

Roy
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Sunday, December 16th, 2012 AT 1:07 AM
Tiny
OZARKIE
  • MEMBER
  • 5 POSTS
Bought 1 new coil and tried it on all cylinders but responded the same on all 6.
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Sunday, December 16th, 2012 AT 1:09 AM
Tiny
OZARKIE
  • MEMBER
  • 5 POSTS
Any other ideas.
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Sunday, December 16th, 2012 AT 1:17 AM
Tiny
OZARKIE
  • MEMBER
  • 5 POSTS
Any other ideas?
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Sunday, December 16th, 2012 AT 2:26 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check no.6 cylinder compression, injector and no.6 wire resistances
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Sunday, December 16th, 2012 AT 3:36 AM

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