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Check P0173 Fault Code

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.

P0173 Code Reason

Parts or components should not be replaced with reference to only a P0173 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

P0173 Possible Fix :

The engine relies on the glow plugs to generate heat to help with the combustion cycle. Some engines only use the glow plugs when cold but others will allow the glow plugs to work when the ECU (vehicle's computer) needs them to be on to help with combustion. Problems in this area will cause diesel engine starting problems, uneven running and white smoke when the engine is cold.

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

Reason For P0173 Code

The reason of P0173 OBD-II Fault Code Check is P0173 Fuel Trim Malfunction Bank 2.

P0173 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.

What does fault code P0173 mean ?
What does a diagnostic reading P0173 mean ?
How to fix OBD2 Code P0173 ?
What do we know about P0173 code ?

How to Clear P0173 Trouble Code

An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.