Engine Performance problem
1990 Nissan Pathfinder 6 cyl Four Wheel Drive Automatic 250ooo miles
My engine misfire when cold only. After warm up, works great. It started, I think, after I replaced spark plugs from NKG to CHAMPION. Then I got original NKG back and problem still persists. I suspect the spark plugs cables were compromised, or at the same time we uses gasohol creating problem with this engine. What else? No air leaks and clean air filer. (Also there seems to be small dirt deposit on spark plug base, perhaps preventing properly seatings, did not have any vacuum small enough to clean dow deep).
have the same problem?
Friday, October 15th, 2010 AT 11:52 PM