Question about 2002 GMC Envoy

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

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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"

Posted on Sep 16, 2010

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Bad gas mileage GMc envoy 2002


thats probably what it gets, tune it up, change air and fuel filters, E3 spark plugs, plug wires, what ever it takes to make it run better, drygas in fuel tank, every fill up, (red bottle, has fuel injector cleaner) todays gasoline has 10% ethanol in it, not good for older cars.

Jan 15, 2013 | 2002 GMC Envoy

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

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

2 Answers

I can't find this car 2006 GMC Envoy SLE 4D owner manual


Its possible that you can find this 2006 GMC Envoy - Owners Manual in the next link: GMC Owners Manual.

Hope helps (remember to rate this).

Oct 01, 2010 | 2006 GMC Envoy

1 Answer

ABOUT HOW MUCH WILL IT COST TO TUNE UP MY 2002 GMC ENVOY


Usually $2.00-5.00 for each spark plug. Anywhere from $50.00-75.00 for spark plug wires. A fuel filter is usally around $10-20. Around $100 or so, labor for all.

Mar 16, 2010 | 2002 GMC Envoy XL

1 Answer

Gmc envoy 2002 sle, gas gage shows empty all the time


could be sensor,floater, or gusge itself

Oct 10, 2009 | 2002 GMC Envoy

1 Answer

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


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

Jun 28, 2009 | 2002 GMC Envoy

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