Engine Performance problem
2000 Mercury Cougar 6 cyl Two Wheel Drive Automatic 100000 miles
when I start the car the rpm jump to 2000 then fall to about 900 rpm the n engine starts shaking while idle jumps then dies restart car happens agin. Unplug maf sensor engine smoothes out. Replace maf sensor w/new one same problem. Unplug egr valve vacum smoothes out. What could this be
have the same problem?
Thursday, February 26th, 2009 AT 4:01 PM