P2151 Engine Trouble Code

Meaning of P2151 engine trouble code is a kind of powertrain trouble code and when your car's 'P2151 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

P2151 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 P2151 code is occuring now you should check P2151 repair processes.
Now don't ask yourself; What should you do with P2151 code ?
The solution is here :

P2151 Possible Solution:

P2151 Engine

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.

P2151 Code Meaning :

P 2 1 5 1
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Fuel Rail/System Pressure - Too High Cylinder 1 Injector Circuit Low Crankshaft Position Sensor A Circuit Low Input

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

P2151 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2151 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Main reason For P2151 Code

The reason of P2151 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

Parts or components should not be replaced with reference to only a P2151 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.