Questions & Answers for: oil spark plug gmc envoy

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Question about 2002 Envoy

2 Answers

...3k Check air filter, gas filter, PVC filter, change the oil to a semi synthetic oil and flsuh the fuel lines and change the spark plugs to bosch plantinum, all this should restore you horse

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...spark plugs are a common cause of issues on this vehicle. I would at the very least remove the plugs and inspect them. If they are fine then it may be a clogged fuel filter. Check the coolant and oil ...

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spark plugs and #3 ignition coil, changed oil and air filter, reset oil filter indicator, drove vehicle for 15 minutes and code came back, Went back code erased drove for 20 minutes and code came back

Question about 2004 Envoy

1 Answer

...oil I recommmend changing the plug and the wire. Also test the wire from the coil to make sure the plug is getting spark from the coil. Check that the injector is getting a pulse and spraying fuel ...

Question about 2002 Envoy

1 Answer

...oil The valve cover gaskets need to be changed. there are rubber grommets that keep oil out of the spark plug holes that dry out and harden with age. Replace gasket and grommets and oil will stay

...oil filter,air filter, ac spark plug,ignition wire set, and ignition coil all replace. code#p0302 n p0453 seem to be my problem. could it be my distrubtor cap gone bad injector problem or is it a ...

spark plugs noticed oil in every cylinder of my 04 gmc envoy If the oil is on the outside of the spark plugs the most common source is the seals in the valve covers. Unusual to have all 6 leaking on a

Question about 2004 Envoy

1 Answer

...oil when u check it. Try a compression or a leak-down test to find out if your head gasket is blown. Pull the spark plugs see how they look. (Contaminated water from rust or mineral? dont use tap ...

should there be oil in the coil packs where the spark plugs are located No, that would be leaking from the valve / cam covers

...oil in the spark plug well first, before removing plugs. Put a new set of AC Delco 41-103 's spark plugs in there. IF it happens to be water in sparkplug wells on #'s 5 or 6, replace or fix your hood ...

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