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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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2 conditions added

Common on this vehicle:Warning lightMisfire or rough idleLeakHard start or long crankDoes not startNoiseGauge or instrument faultSmoke or fire

Possible causes

Check engine / Service Engine Soon, 200125 records
Engine
Exhaust and emissions
Fuel system
4Single-cylinder misfire (P0300-P0308) and/or chirp, squeak or tick at camshaft speed: worn cam lobe / lifter, valve or valve spring1Rear bank knock sensor corrosion from water intrusion (P0332)4.8L, 5.3L, 6.0L only1Engine Valve: clogged or contaminated0Crankshaft position sensor may work intermittently or fail (8.1L V8) - recall 07V-5218.1L only0Intake manifold gasket leak (cold idle misfire, lean codes)1Purge Solenoid: failed0DTC P0446 set with the SES lamp on (replace the EVAP vent solenoid, not the canister)
1 causes not drawn
Causes with no correction stated (5)

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.

Exhaust and emissions
Evap Vent Valve: clogged or contaminated (1)Secondary Air Injection Valve: corroded (1)
Fuel system
Fuel Pump Connector: leaking (1)Fuel Pump Wiring: electrical fault (1)Fuel Tank: leaking (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・Check engine / Service Engine Soon, 2001

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

  1. With the engine cold, compression on multiple cylinders may read 0 PSI (= 0 kPa).
  2. The engine may pop through the intake or exhaust while cranking, and the spark plugs may be fuel fouled.
  3. If there is valve damage or cam followers are out of place, make the mechanical repairs first, then perform the cleaning procedure to keep the concern from returning.
  4. With the engine at operating temperature, slowly induce a bottle of GM Upper Engine and Fuel Injection Cleaner with RPM held above idle so the engine does not stall (typically around 2,000 RPM).
  5. Turn the engine off and let the cleaner soak for 2.5 to 3 hours.
  6. To complete the repair, change the engine oil and filter.

What is needed

Parts and materials
  • GM Upper Engine and Fuel Injector Cleaner 88861803 (in Canada 88861804; qty 1; decarboning when SI diagnosis leads to a valve sealing concern from carbon or sticking valves)
  • Fuel System Treatment Plus 88861013 (in Canada 88861012; qty 1; added to the fuel tank)
  • Engine oil 6 qt. and engine oil filter, qty 1 (see Parts Catalog; the oil and filter are changed to complete the repair)
Labor time
  • 4080148: Decarbon Engine Using Upper Engine Cleaner, 0.5 hr
  • Add: Change Engine Oil and Filter, 0.3 hr
Special tools
  • Kent Moore Tool J-45076 / J-35800-A or equivalent (suggested for inducing the cleaner through the throttle body)
Scan tool
Not stated

Only what the technical documents state. "Not stated" does not mean not needed.

From: PIP5029F

In the records

  • Engine Valve: cleaned 1
See the evidence (1 technical documents, 1 records)

Manufacturer’s documents

Records

None among the records that can be opened now.

See all 1 records of this cause →

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.