Pathfinder stalls at idle - Nissan Forum

 
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post #1 of 2 Old Feb 16th, 2013, 01:30 PM Thread Starter
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Pathfinder stalls at idle

I have a 97 Pathfinder. It has a knock sensor error. I replaced the knock sensor and still has same problem. It runs fine at highway speed. As soon as I stop, after several seconds, starts to run rough and then stalls. If I kick up the idle to about 1300 it keeps running so at a light, I have to put it in neutral and keep my foot on the gas. Have replaced cap and rotor, new plugs and wires, alternator, timing belt, water pump and knock sensor.

Any suggestios where to go next?
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post #2 of 2 Old Feb 17th, 2013, 10:28 AM
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Check out the IACV valve. It controls the idle speed. Over the years the valve gets dirty with carbon. You can remove it and clean it out. There's also a solenoid mounted on the valve that should be checked to make sure it's working properly; The ECU operates the solenoid to maintain the proper idle.

KA-T for life, yo!
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