Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1998
>>
Envoy 2WD V6-4.3L VIN X
>>
Repair and Diagnosis
>>
Heating and Air Conditioning
>>
Testing and Inspection
>>
Reading and Clearing Diagnostic Trouble Codes
>>
Displaying & Reading Trouble Codes
>>
With Scan Tool
With Scan Tool
A scan tool must be used to display diagnostic trouble codes (DTC). Go to A Diagnostic System Check.
[1]
[2]
Component Tests and General Diagnostics