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Check P0155 Fault Code

When you check engine light came on code P0155 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0155 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0155 Code Reason

Parts or components should not be replaced with reference to only a P0155 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

P0155 Possible Fix :

A failing oil pump can cause what's called oil starvation, which is almost always fatal to any engine. Overhead cam engines are especially at risk, because the cam and valve train are farther from the pump than they are in pushrod engines. Oil should be of a proper viscosity, which means it needs to be light enough to move quickly.

P0155 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0155 OBD-II Trouble Code Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 degrees F to produce an accurate voltage signal. The faster the heated oxygen sensor reaches t

Reason For P0155 Code

The reason of P0155 OBD-II Fault Code Check is P0155 O2 Sensor Heater Circuit Malfunction Bank 2 Sensor 1.

P0155 Solution:

The firing order is an important part of the overall design of the engine and is determined during the design of the engine to eliminate as much engine vibration as possible. If the firing order is changed or adjusted, the ignition from the spark plug is delivered at the wrong time and the engine functions poorly or does not run. The firing order for a particular engine is typically found in the repair manual specific to that model.

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