10-08-06, 02:11 PM
Could the O2 sensor cause the misfire. The car just started to idle rough in the cooler mornings the past couple of days but runs fine after it warms up. The O2 sensor has been bad for a couple of months. I got under the car today to replace it and realized that I have the wrong sensor.:rant2: If it is not the O2 sensor then I would guess that it is the Crankshaft sensor. Any sugestions?