Engine Mechanical problem
1989 Other Nissan Models 6 cyl Two Wheel Drive Manual 140000 miles
I have a 1989 nissan skyline with 2.0 turbo and it hunts from idle to 2000 rpm back to 1000 rpm then back up constantly. What should I look for?Took aac valve apart and cleaned and reinstalled and still no change. Any help would be appreciated thanks in advance.