Question about 2003 Nissan Pathfinder

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1998 Nissan Pathfinder will not accelerate

My son's 1998 Nissan Pathfinder has an sporatic problem, it will not accelerate. While driving, you can press on the gas and nothing will happen, the engine will not rev, it will just go no more the 20 mph, no matter how hard i hit the gas. I had a certified mechanic check it out and they could not find anything wrong with it. they couldnt recreate the problem either. It does leak out a small amount of anti-freeze after it is driven from under the car, but the coolant levels and all fluids are ok. The mechanic also indicated that the plugs, wires, etc. are fine. This problem has occured before, last winter, when it occured last year, i noticed the Coolant levels were low. When i added coolant the problem seemed to go away. I initially thought this was the same problem, but keeping the coolant levels up, and it still occurs.

Last tune-up was at 65k miles or within the last 15,000 miles.

The vehicle is a1998 Nissan Pathfinder, 80,000 miles. 6 cyclinder SE, automatic, 4WD.

Posted by on

  • blackettd Dec 22, 2008

    The check engine light is not on.

  • blackettd Dec 24, 2008

    Driving the Pathfinder yesterday the "Service Engine soon" light came on (Finally). I
    stopped at an Autozone parts store and they read the codes from under a dashboard connection, to help determine what the problem is, there were 2 codes:
    P0325, (indicated that the Knock Sensor detected a condition) and
    P0125, said "Coolant temp is always low" the Autozone printout gave
    the following information: "The powertrain control module verifies
    that the engine is at a proper tempature. Probable cause: 1. Check
    coolant level, 2. Thermostat defective 3. ECT (Engine Coolant Temp)
    sensor defective"

    The coolant level is fine, so it is either the ECT or the Thermostat, the tech at the store indicated that it was most likely a defective Thermostat.



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It's your MAP, MAF OR TPS sensor Do you have a check engine light?

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