2003 Mercedes-benz 300sel P0138 Fault Code Check

When you check 2003 Mercedes-benz 300sel car engine light came on code P0138 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Mercedes-benz 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.

To solve P0138 2003 2003 Mercedes-benz 300sel problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

2003 Mercedes-benz 300sel P0138 OBD-II Diagnostic Powertrain (P) Trouble Code Description 2003 Mercedes-benz 300sel 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 2003 Mercedes-benz 300sel P0138 Code The reason of 2003 Mercedes-benz 300sel P0138 OBD-II Fault Code Check is P0138 O2 Sensor Circuit High Voltage Bank 1 Sensor 2.

2003 Mercedes-benz 300sel P0138 Possibble Fix Ways :

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.

While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P0138 2003 2003 Mercedes-benz 300sel code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.

What does fault code P0138 mean for 2003 Mercedes-benz 300sel ? What does a diagnostic reading P0138 mean for 2003 Mercedes-benz 300sel ? How to fix OBD2 Code P0138 for 2003 Mercedes-benz 300sel ? What do we know about P0138 code for 2003 Mercedes-benz 300sel ?