Quote Originally Posted by ranger View Post
I have been thinking about this dip issue. Mine is most prevalent (2005 6MT ZHP) in 3rd gear under heavy load (accelerating uphill) at 3500 rpm.
I bought the car used at 102,000 miles - I do not think the DME was ever "updated" by previous owner and I have not dealt with it yet. Sounds crazy but it always seem to be in 3rd gear when I get the stumble.