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P2946 Engine Code Repair

Meaning of P2946 engine trouble code is a kind of powertrain trouble code and when the check engine light comes P2946 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

P2946 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 P2946 code is occuring now you should check P2946 repair processes.
Now don't ask yourself; What should you do with P2946 code ?
The solution is here :

P2946 Possible Solution:

P2946 Engine

Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.

P2946 Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine

2
Fuel And Air Metering (Injector Circuit Malfunctions Only)

9
Engine Oil Temperature Sensor Malfunction

4
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

6
Crankshaft Position Sensor B Circuit Malfunction

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

P2946 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2946 engine trouble code is about Crankshaft Position Sensor B Circuit Malfunction.

Main reason For P2946 Code

The reason of P2946 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P2946 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.