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How do you change the lower ball joints on an 2004 envoy
In a 2004 GMC Envoy both the 4.2 liter six cylinder and the 5.3 liter V8 engines use a timing CHAIN
The Gmc Envoy has two engine types. Both the Inline six and the 5.3 V8 use a timing chain. They are a lifetime install unless there is a failure.
my alarm does not work 2004 envoy
2004 gmc envoy with code p0128
very carefully
Change the belt
How do you remove the fan shroud on a 2004 get envoy
how to replace wheel bearings on 2004 GMC envoy?
Take your car to a GMC dealership and pay $850.
It sounds like you need to change the 02 sensors.
Its your relay switch... change it out and it should work..