2002 GMC Envoy Coil Packs / Coil Module Assembly's going bad I have a 2002 GMC Envoy and my third coil pack or "coil module assembly" has gone out. Is this a normal repair for 113K miles? Is there ...
how to replace ignition coil 2005 GMC Envoy You have the inline 6 engine? You actually have 6 coils. Remove the plastic resonator on top of the engine, remove the ducting to give you more room. When ...
after removing all of my coil packs to change my valve cover gasket on my 2002 envoy the bolt on # 1 coil pack broke off level with hole in the head. as a temporary fix i used a piece of flat steel ...
2002 envoy slt cylinder 6 misfire. How can I fix it It is very common for the coils to go bad on these. If the engine is running rough than it should be fairly easy to swap the number 6 coil with ...
...on a 2004 gmc envoy Where is the number 3 cylinder located on a 2004 4.2L 6 cylinder GMC Envoy? The coil pack will be numbered. Find coil #3 and follow the spark plug wire to the spark plug. remove ...
...of the engine. Remove this along with the hoses connecting to the air cleaner. You'll then see 6 coils on top of each cylinder. Remove the 2 screws on the first cylinder and pull up carefully on ...
...the man said needs spark plugs put new ones ia now no spark and it will not start 2003 envoy xl 4.2 Coil packs was the problem in the first place. When a spark plug misfires, the high voltage goes no ...
Question about GMC Envoy
...pulled n a station to get a drink ==started it back up and it started missing like a dead plug or coil i changed all the plugs looked like 1 was not firing-so i put in a new coil on that plug and ...
...clue to what could be wrong. What could have happen from the #5 cylinder to changing all six plugs, coil and now 4,5 and 6 not firing. I'm totally lost!!! DIS module Spark plugs rarely go bad and ...
TEST COIL PACK TO SEE IF THAY ARE FIREING on the straight six you will remove the bolt holding each coil to the valve cover. Remove one coil and use either a spark tester or a test light. If there is ...
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