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Mercedes-benz E320cdi P0390 Engine Error Code

When you check Mercedes-benz E320cdi car engine light came on code P0390 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Mercedes-benz manufacturer may have a different definition for the P0390 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0390 Mercedes-benz E320cdi Code Clear

A good ground connection is also extremely important. P0390 Mercedes-benz E320cdi 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).

P0390 Code Reason

Mercedes-benz E320cdi P0390 OBD-II Diagnostic Powertrain (P) Trouble Code Description

Mercedes-benz E320cdi car P0390 OBD-II Trouble Code The Camshaft Position Sensor is an electronic device used in an engine to record the rate at which the camshaft is spinning. This information is used by the Engine Control Module (

Reason For Mercedes-benz E320cdi P0390 Code

The reason of Mercedes-benz E320cdi P0390 OBD-II Engine Error Code is P0390 Camshaft Position Sensor B Circuit Bank 2.

When you turn on the ignition, the Service Engine Soon or Check Engine P0390 Mercedes-benz E320cdi 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 P0390 Mercedes-benz E320cdi 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 E320cdi P0390 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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