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I have a 1999 Nissan Frontier 3.3L V6 I am getting two error codes on my Truck. 1401 (EGR Temp Sensor) and 0325 (Engine Knock Sensor) The Truck seems to be running fine, cannot feel or hear any knocking. If I clear the code it will stay off for a while, but come back on after driving for a while. Seems to only happen when the engine is warm. Any ideas? i recently had a new fuel pump and sending unit replaced and also new wires, distributer, and rotor(not sure if that could be related but thought I'd throw it in). Any help would be greatly appreciated.
