HAS A MIS AT IDLE OR LOAD

2006 Chevrolet Trailblazer

Tiny

Ozarkie

December, 16, 2012 AT 1:02 AM

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.

7 Answers

Tiny

ASEMaster6371

December, 16, 2012 AT 1:03 AM

Did you gap the plugs?

Roy

Tiny

Ozarkie

December, 16, 2012 AT 1:05 AM

Was told by store iridium plugs were factory gapped

Tiny

ASEMaster6371

December, 16, 2012 AT 1:07 AM

Could be a coil failure as well. Have them checked.

Roy

Tiny

Ozarkie

December, 16, 2012 AT 1:09 AM

Bought 1 new coil and tried it on all cylinders but responded the same on all 6.

Tiny

Ozarkie

December, 16, 2012 AT 1:17 AM

Any other ideas.

Tiny

Ozarkie

December, 16, 2012 AT 2:26 AM

Any other ideas?

Tiny

rasmataz

December, 16, 2012 AT 3:36 AM

Check no.6 cylinder compression, injector and no.6 wire resistances

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