Question about 2002 GMC Envoy

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I am changing the spark plugs on my 2002 GMC Envoy. I need to know what the gap will be

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  • Anonymous Mar 17, 2014

    where are they

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  • Master
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.043. Good luck. Thanks for rating my response and for using FixYa!

Posted on Jun 28, 2009

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SOURCE: What is the spark plug gap for the envoy??

they come pre gapped with collars to prevent the electrodes from getting bent .platinum and iridium plugs will have the surface damaged if you were to adjust them with a feeler gauge,like old plugs had to be gapped. ac or ngk plugs come pre gapped in the box.

Posted on Aug 22, 2009

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1 Answer

Spark plug gap specs for 2002 envoy SLE


Gap should be around 0.043"
Also, make sure to use only AC Delco 43-103 plugs, these are the OEM plugs and work best in these engines.

Oct 22, 2011 | 2002 GMC Envoy

1 Answer

Code reader says 5cylinder mis fire changed plug changed coil pack still reading mis firwe 2002 envoy 4.2 liter


There can be other reasons for misfires beside spark plugs/coil, such as a bad injector, low compression in that cylinder, burnt valve seats.

Oct 10, 2011 | 2002 GMC Envoy

1 Answer

What is the gap for a spark plug on a 2004 gmc envoy?


.040 to .044" would be normal. The gap should listed on the emission sticker under the hood. Make sure you use the O.E. AC/Delco plugs. This engine will run on those the best!

Mar 20, 2011 | 2005 GMC Envoy Xl

2 Answers

Where are the spark plugs on GMC 2002 Envoy


Follow the wires coming out of the distributor cap to the spark plugs.

Jan 23, 2011 | 2002 GMC Envoy

1 Answer

Finding spark plugs and changing them on a 2002 gmc envoy sle


On he very top of your engine, there will be six coil pack, they all look the same, from front to rear of engine, remove 10mm bolt, disconnect elec. harness, pull coil pack out, spark plug will be in there, do one at a time, this is the spark plug gap .044"

Sep 16, 2010 | 2002 GMC Envoy

1 Answer

Need spark plug gap 4 2002 gmc sierra v6


For 2002 GMC SIERRA 1500 Engine: V6 - 4.3L - FI - - GAS you have GAP 0.60"

More details and other engine size can find in championsparkplugs

Good luck (remember rated this help).

Feb 05, 2010 | 2002 GMC Envoy

2 Answers

Rough idle


sound slike you may have unplugged or disconnected somethine else or the spark plug you put in is bad or inpropper gap

Sep 03, 2009 | 2002 GMC Envoy

1 Answer

What is the spark plug gap for the envoy??


they come pre gapped with collars to prevent the electrodes from getting bent .platinum and iridium plugs will have the surface damaged if you were to adjust them with a feeler gauge,like old plugs had to be gapped. ac or ngk plugs come pre gapped in the box.

Aug 22, 2009 | 2003 GMC Envoy

1 Answer

Changing plugs question


15-20 inch pounds

Jun 21, 2009 | 2002 GMC Envoy

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