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Can you tell me the spark plug gap for 04 trailblazer 4.2

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emissionwiz
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SOURCE: Spark Plug Gap settings

ACDELCO Part # 41103
SPARK PLUG .043 GAP

Posted on Feb 23, 2009

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What is the gap setting for the spark plugs a 2004 trailblazer?


I have been told by mechanics and 2 auto stores that the gap should be .043. I don't know where people are getting .060. but my plugs are .043 and my trailblazer does not misfire or run poorly. Also, check the gap always, even if it's pre gapped because the handling of spark plugs could cause a change in gap. IE the plug bouncing in the box, vibration, etc.

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Spark Plug Gap settings


ACDELCO Part # 41103
SPARK PLUG .043 GAP

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04 trailblazer with inline 6 engine missing, sets off code


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