P0350 MERCEDES-BENZ – Ignition Coil Primary/Secondary Circuit Malfunction

 

P0350: DIY Repairing Video Tutorial

https://youtu.be/Rmzfts8dDxE

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

 

P0350 Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light),Lack/Loss of Power,Engine may be harder to start,Engine hesitation,Rough engine idle  

P0350 Possible Causes

  Faulty Ignition Coil Primary/Secondary,Ignition Coil Primary/Secondary harness is open or shorted,Ignition Coil Primary/Secondary circuit poor electrical connection,Faulty Engine Control Module (ECM)  

P0350 Description

  The ignition signal from the Engine Control Module (ECM) is sent to and amplified by the power transistor. The power transistor turns ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the proper high voltage in the coil secondary circuit.