looking for a ideas, wont go over 3k rpm
#16
Many folks simply glue a small washer [0.8mm] to an old sensor to set that gap.
By the way, what does, "I doubt the cat backed up ad new exhaust", mean from your first post? Your car has a new cat-back muffler? How old is the cat...is the OE, 30-yo, part still on the car? If so, guaranteed it's at least partially obstructed.
By the way, what does, "I doubt the cat backed up ad new exhaust", mean from your first post? Your car has a new cat-back muffler? How old is the cat...is the OE, 30-yo, part still on the car? If so, guaranteed it's at least partially obstructed.