Mitsubishi 3000gt P0139 Engine Error Code

When you check Mitsubishi 3000gt car engine light came on code P0139 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Mitsubishi manufacturer may have a different definition for the P0139 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0139 Mitsubishi 3000gt Code Clear

On 1999 and later P0139 Mitsubishi 3000gt engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

P0139 Code Reason

Mitsubishi 3000gt P0139 OBD-II Diagnostic Powertrain (P) Trouble Code Description

Mitsubishi 3000gt car P0139 OBD-II Trouble Code The Heated Oxygen Sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. For optimum catalyst operation, the air fuel mixture (air-fuel ratio)

Reason For Mitsubishi 3000gt P0139 Code

The reason of Mitsubishi 3000gt P0139 OBD-II Engine Error Code is P0139 O2 Sensor Circuit Slow Response Bank 1 Sensor 2.

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P0139 Mitsubishi 3000gt code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

Mitsubishi 3000gt P0139 Possible Solution :

In-line Ford engines, along with those of most other manufacturers, begin the numbering of cylinders at the front and proceed in numerical order toward the back. In the V-engine design, Ford follows a similar design with the number one cylinder at the front left of the engine. In the V-6 configuration, cylinder 4 is at the front right of the engine and in a V-8, cylinder number 5 is in that location. Other manufacturers sometimes use an alternating pattern in the V-engines.

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