Emission Control Problems of GMC Yukon

GMC Yukon owners have reported 2 problems related to emission control (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Yukon based on all problems reported for the Yukon.

car image   Emission Control problem of the 2000 GMC Yukon 1
Failure Date: 11/03/2005

: the contact stated while having recall work completed under recall 05v155000 concerning the fuel system, the evaporative emission hose was broken by the dealership. No repairs were made because the broken part is no longer being manufactured. However, the vehicle is now emitting fumes inside the contact's garage where the vehicle is being stored. The consumer stated the check engine light is on. Updated 02/28/06.

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car image   Emission Control problem of the 2001 GMC Yukon 2
Failure Date: 01/17/2005

On three separate occasions my check engine light came on and all three times the sai (emissions) valves were rusted causing them to fail. The dealer told me since the valves are located directly under the exhaust the condensation falls onto the them causing them to rust. They also said there is no permanent fix for this.

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