Mercedes R 500 P0139 Engine Trouble Code

Mercedes R 500 P0139 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

Mercedes R 500 P0139 Code Meaning :

When you check Mercedes R 500 car engine light came on code P0139 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However 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 OBD-II Diagnostic Powertrain (P) Trouble Code Description

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) P0139 code.

Reason For P0139 Code

The reason of P0139 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P0139 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

P0138 Previous Engine Trouble Code For Mercedes R 500

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