Nissan Pathfinder owners have reported 2 problems related to o2 sensor (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Nissan Pathfinder based on all problems reported for the Pathfinder.
Car either stalls out, turns off, or rapidly decelerates at random times. Transmission not shifting or staying in gear properly causing near collisions on several accounts, stalling in the middle of intersections, etc. . . Mechanic said coolant in transmission and transmission fluid in coolant system. Seems to be triggering multiple mechanical failures codes from transmission, to misfires, to O2 sensors. Afraid to drive. It's been sitting parked for multiple months very dangerous!.
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The service engine soon has been on and off for about 1 year on my 2001 Nissan Pathfinder (mileage is a little over 70,000). I take the car to a garage (delmar auto & radiator inc. , 90 adams street, delmar, NY 12054, 518-439-0311) on 8/1/08 to have it diagnosed ($144. 40) and the code says the oxygen sensor (p0140) needs replacement ($219. 37). The work is done and after about 80 miles the service engine soon comes back on. I take the car back to the garage (8/7/08) have it diagnosed ($144. 40) and the code says mass air flow signal is weak ($563. 00). The work is done and after about 20 miles the service engine soon comes back on. I call the garage (8/18/08) after they return from vacation and they will take the vehicle to a Nissan dealer and have the ecm reprogrammed at cost.
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all problems of the 2001 Nissan Pathfinder
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