Quote:
Originally Posted by Christiano
Clean all injectors. Sometimes, my 4.8 did that big blue puf on start. But I could note that the engine started weird, like with one spark plug dead. Straight to dealer, some tests and they found all injectors dirty. After a treatment, they run like a champ and I never saw that puf again.
Good luck!
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My engine starts beautiful now, but I have no idea how she would behave in a cold environment.
Also, after the oil change & spark plug change, and all the other stuff I did, I noticed a huge improvement how the engine is turning. It's very smooth.
When I purchased the vehicle, I thought it was driving very well, but obviously I was wrong. To confirm, my wife who has no clue about cars, took the vehicle today for a spin. Upon returning she asked me what did I do to it, because it's a very noticeable improvement. Usually she never noticed stuff like that, because the changes are subtle. I don't think the injectors are clogged, but I could definitely run some Lubro-Moly injector cleaner (that's what the dealership is usually using). I have a few spare cans in my garage.