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P0173 Engine Trouble Code

P0173 Engine

When you check engine light came on code P0173 the reason should be Fuel injection system does not operate properly.. However your vehicle's manufacturer may have a different definition for the P0173 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.

P0173 Code Meaning :

P 0 1 7 3
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Engine Oil Temperature Sensor Malfunction Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Shift Solenoid E Performance or Stuck Off

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.

P0173 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0173 OBD-II Trouble Code With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closely to the theoretical mixture ratio based on the mixture ratio feedback signal from the heated oxyge P0173 code.

Reason For P0173 Code

The reason of P0173 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P0173 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.