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  1. R

    Question about sound and cylinder deactivation

    Hoping someone can help me with a "sound" my 2008 Yukon is making. I'll try to be both brief and detailed. Started out with a lope at idle and reduced fuel mileage. I got on here and decided it may be the TB so I cleaned it. No luck. Then shortly after that, this sound started, which kinda...
  2. R

    How long will it take for the computer to reset?

    Hey y'all...newbie here on the forum but find it very helpful. I have a 2008 yukon XL with the 5.3L non flex fuel engine. I just changed the vent solenoid (code PO449) using the instructions and part numbers found on here. I removed the battery cable to allow the check engine light to go out...
  3. R

    Another Door Lock actuator thread

    Ok so I've been bitten just like many of you. My driver's side front and rear actuators went out. I'm looking to order some replacements. I can perform the change out. I've looked on gmpartsdirect.com and found some "close" matches, but they do not specifically indicate whether they are for...

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