GMC Yukon 2000–2006
Common on this vehicle:NoiseWarning lightCorrosion or rustLeakMisfire or rough idleAir conditioning or heaterReduced brakingLights (headlights, turn signals)
Possible causes
4 causes not drawn
- P0420 / P0430 on a new or just-replaced catalytic converter (break-in not completed)1
- Purge Solenoid: failed1
- Quadrasteer: rear wheels stay turned after the front wheels are straight (controlled re-centering after a fault, normal operation)1
- CHECK OIL LEVEL message stays on after an oil change or top-off until the engine cools0
Causes with no correction stated (4)
Causes the records name for which no check or repair is stated, in a technical document or in a record. Press one for the records that name it.
- Electrical, wiring and power
- ATC Fuse: electrical fault, failed (2)
- Heating and air conditioning
- Encoder Motor: electrical fault (1)
- Exhaust and emissions
- Evap Vent Valve: clogged or contaminated (1)
- Transmission and driveline
- Transmission Control Module: failed (1)
The documents say what to doOnly records name itThe size of a node, the width of a link and the numbers are records matching this search, not likelihoods.
FaultCrate・GMC Yukon 2000–2006・Warning light, 2002
Candidate cause (the documents say what to do)
Engine Valve: clogged or contaminated
1 of the records matching this search name this component as the cause.
How to tell
P0300P0308Check engine / Service Engine Soon
What to do
No technical document states a check or a repair.
In the records
- Engine Valve: cleaned 1
See the evidence (0 technical documents, 1 records)
A cause or a result a complaint states is the owner’s view or what a dealer told them, not an established fact.
Put together by FaultCrate from public records and technical documents. The cause and the repair are for the workshop to decide with the vehicle in front of it. Counts are records, not failure rates.

