P2156 Engine Trouble Code

P2156 Engine

When you check engine light came on code P2156 the reason should be . However your vehicle's manufacturer may have a different definition for the P2156 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

P2156 Code Meaning :

P 2 1 5 6
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Engine Oil Temperature Sensor Malfunction Turbocharger Boost Sensor A Circuit Low Reverse Input Circuit

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

P2156 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2156 engine trouble code is about Reverse Input Circuit.

Reason For P2156 Code

The reason of P2156 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P2156 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.