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Mercedes-benz C320cdi P1157 Engine Error Code

When you check Mercedes-benz C320cdi car engine light came on code P1157 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Mercedes-benz manufacturer may have a different definition for the P1157 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1157 Mercedes-benz C320cdi Code Clear

A good ground connection is also extremely important. P1157 Mercedes-benz C320cdi engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. Since the instrument cluster is mounted in a plastic dash, a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. Refer again to the wiring diagram to find the ground path, and then check it with your ohmmeter. Do not use a self-powered test light because it cannot measure resistance (any resistance will lower circuit voltage).

P1157 Code Reason

Mercedes-benz C320cdi P1157 OBD-II Diagnostic Powertrain (P) Trouble Code Description

Mercedes-benz C320cdi car P1157 OBD-II Trouble Code Lack Of HO2S22 Switch - Sensor Indicates Lean is one of the definitions for the P1157; however your vehicles manufacturer may have a different definition for the P1157 code. Please check below for you

Reason For Mercedes-benz C320cdi P1157 Code

The reason of Mercedes-benz C320cdi P1157 OBD-II Engine Error Code is P1157 Lack Of HO2S22 Switch - Sensor Indicates Lean.

When you turn on the ignition, the Service Engine Soon or Check Engine P1157 Mercedes-benz C320cdi light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If P1157 Mercedes-benz C320cdi so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the !

Mercedes-benz C320cdi P1157 Possible Solution :

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

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