2001 nissan pathfinder no codes very slugish

1 ANSWERS

1. Ali Abdullah
   

   Hi, The crank angle sensor should be replaced and that would correct the ignition control problem. I would replace the plugs and coils and that should take care of the random multiple misfires. The timing control position sensor on the right bank and possibly the variable valve timing advance unit might need to be looked at, removed and possibly cleaned or replaced. The engine is cool and the cams actually advance with RPMs and this is controlled with the variable valve timing solenoid on each head. If they get plugged they will not advance and the mileage will go to heck... Get a Haynes or Factory Service Manual and you will have the photographs to look at to aid in the replacement. Your Pathfinder is great and easy to work on and the parts you need to look at and clean or replace are all easy access.

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