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Nissan Pathfinder P1651 Engine Trouble Code

Nissan Pathfinder P1651 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Nissan Pathfinder P1651 Code Meaning :

P 1 6 5 1
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Temperature Sensor B Circuit Range/Performance Cylinder 1 Injector Circuit Low Crankshaft Position Sensor A Circuit Low Input
Nissan Pathfinder Engine

When you check Nissan Pathfinder car engine light came on code P1651 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1651 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1651 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for P1651 code is occuring now you should check P1651 repair processes.
Now don't ask yourself; What should you do with P1651 code ?
The solution is here :

Nissan Pathfinder P1651 Possible Solution :

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

P1651 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1651 OBD-II Trouble Code PSP Switch Input Malfunction/Fan 1 Relay Control Circuit is one of the definitions for the P1651; however your vehicles manufacturer may have a different definition for the P1651 code. Please check be P1651 code.

Reason For P1651 Code

The reason of P1651 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

Parts or components should not be replaced with reference to only a P1651 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.