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Gmc Sierra 3500 P0138 Engine Error Code

When you check Gmc Sierra 3500 car engine light came on code P0138 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Gmc manufacturer may have a different definition for the P0138 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0138 Gmc Sierra 3500 Code Clear

Do you have fresh, clean fuel in the tank? If it's empty, fill it up and go! If it's full, check P0138 Gmc Sierra 3500 that the fuel shut-off valve is open and that it is clean. Stale fuel, dirt and debris are the most common cause of outdoor power equipment not starting properly. If you store equipment with untreated gas in the tank, it can lead to engine damage.

P0138 Code Reason

Gmc Sierra 3500 P0138 OBD-II Diagnostic Powertrain (P) Trouble Code Description

Gmc Sierra 3500 car P0138 OBD-II Trouble Code The Heated Oxygen Sensor 2 (HO2S) (Rear O2 Sensor), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. For optimum catalyst operation, the air fuel mixture

Reason For Gmc Sierra 3500 P0138 Code

The reason of Gmc Sierra 3500 P0138 OBD-II Engine Error Code is P0138 O2 Sensor Circuit High Voltage Bank 1 Sensor 2.

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. P0138 Gmc Sierra 3500 code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.

Gmc Sierra 3500 P0138 Possible Solution :

What does fault code P0138 mean for Gmc Sierra 3500 ?
What does a diagnostic reading P0138 mean for Gmc Sierra 3500 ?
How to fix OBD2 Code P0138 for Gmc Sierra 3500 ?
What do we know about P0138 code for Gmc Sierra 3500 ?