I have found that the Egr service was definitely the key to stopping the oil consumption problem. Before, the dipstick was impossible to read even a day after an oil change. Seems the richened fuel mix was washing out the
rings and diluting the oil down pretty quickly. Once it was thinned out by the
fuel dilution it was hard to see on the dipstick. My first oil changes were very much like yours, hardly anything in the pan. Couldn't believe my engine wasn't blown.
The day I bought it in Fort Collins, the dealer changed the oil for me before I left. It had 67k miles on it. I stopped for fuel in Denver and decided to check the oil. Down 2 quarts already! Topped it off and proceeded up the mountains to Alma and home. Checked the oil when I got home and it was down 2 quarts again? At this point the dipstick became hard to read, so I put it in the garage and waited till morning to check it again. After sitting overnight and draining thoroughly, it was readable and definitely 2 quarts low again! It was consuming 6 quarts every 500 miles! Now we're down to 4 quarts every 3500 miles of hard running. Definite improvement. There really is a connection between clogged egr and oil usage.
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