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The obdII connection is on the right side of the steering column mounted on the edge of the the lower dash panel.
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∙ 16y ago
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2003 gmc envoy 4.2L thermostat housing location?
The thermostat housing is on the drivers side of the engine. It is where the bottom radiator hose connects to the engine.
How do you reset the check engine in your car 2003 GMC Envoy?
Have vehicle scanned to determine the problem and have codes cleared
2003 Envoy. Why is the reduced engine power and check engine light on while operating in limp home mode?
have vehicle scanned to determine the problem
Location temperature sensor 2003 gmc envoy?
behind the alternator on the motor block.
Where is the oxygen sensor 2003 gmc envoy?
My car when slow stop engine
Ckeck engine on 2003 gmc envoy?
take to your local dealer for diag.
A diagram of the firing order for a 2003 gmc envoy with a 4.2 liter engine?
Yes
Why does services engine light stay on and cruise control doesn't work on a 2003 GMC Envoy?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Why is the reduced engine light and service engine soon light on in my 2003 envoy?
There are pages and pages and items that can cause a check engine light. You need to have it checked for codes with a scan tool. After repair light can be shut off with scan tool.
How do you replace the timing belt on a 2003 GMC Envoy SLT?
The 2003 GMC Envoy inline 6 engine does not have a timing belt but a timing chain. No need to replace anything unless the chain breaks.
Why does your 2003 GMC envoy not crank when you turn the ignition The battery is fully charged?
Check the starter.
How much oil does a 2003 envoy 6 cylinder require?
The 4.2 liter engine requires seven quarts.
