Questions & Answers for: how do i change the spark plugs in a 2002 gmc envoy

change sparkplugs how do I change spark plugs on a 2004 GMC Envoy go to mechanic

...is skipping - the RPMs will go up and down. Vehicle has about 115K miles and spark plugs were changed about a year ago. Problem started occurring just recently. fan cluch check the fan ...

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!

...to follow i am guessing you are talking about spark plugs take the plastic piece off top of motor you will see the coils lined up they are underneath the coils (only change on cool motor may

change the spark plugs in a GMC Envoy 2002 Location of spark plugsThey are located along the top of the motor under coil packs that fire the plugs. You have to remove the resonator box from the top of

...drove for 20 minutes and code came back again, what is the problem? Change the spark plug wire also. This is often looked over but it has most to do with a miss fire then a spark plug 9 times out of ...

...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 ...

...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

...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% ...

2002 gmc envoy no speak to coil Envoy Trail Blazer Spark Plugs and Coil Pack Change The quick and dirty