How to change the spark plugs
AC Delco Iridium spark plugs.
ac delco spark plugs are type that originally came with 2003 GMC envoy
The gap on spark plugs is .042.
Can you tell me how to remove the box covering the spark plugs in a 2002 gmc envoy slt 4.2
Depends on the type of spark plugs. Factory plugs around 70 - 100k depending on the condition of the plugs. I would replace the spark plugs out with some AC Delco iridium plugs they will last you 100k+.
how do i change the spark plugs on a 2006 hyundai accent
I put NGK iradium pre gapped plugs and they work great.
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8 spark plugs
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