Quote:
Originally Posted by weasel56
Yes, but there are 2 pre-cats. The one on the front manifold is bank 1 pre-cat sensor (cylinders 1-3) and the one on the rear manifold is bank 2 pre-cat sensor (cylinders 4-6).
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I found the problem. I popped up the hood to see if there are any air leaks and I just realized the oil cap is missing. A few days ago I had to add some oil but I forgot about the cap. I will use some duct tape until I receive a new cap.
thanks for your time guys