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  1. OEM Issues
    Our 2006 Envoy Denali isn't even quite to 100K yet. It has recently started using excessive amounts of oil and has some blue smoke from the exhaust when under load. The oil gets changed regularly by a mechanic close to home, but goes to the dealer for major work. Took it to the dealer for...
  2. OEM Issues
    I have milky oil on the fill cap and top othe dip stick but the oil in the pan is fine. I canged the oil a week before this happened and it was almost dry and I have no oil leaking on my drive way... It has 215000 on it and I'm not sure where to start or if it's worth trying to fix.
  3. General
    Hey there new to the site. If anyone could give me some input I'd greatly appreciate it. I've had some problems lately I believe can be attributed to a dirty throttle body. Poor gas mileage, poor idle when engine is cold. Even had a few codes a while back (they disappeared later that day) that...
1-3 of 3 Results