Mercedes Benz

If you are experiencing a misfiring of cylinder 2 that is causing damage to the TWC (Three Way Catalyst), here are some steps you can take to diagnose and potentially fix the issue: Check the spark plugs: Worn or fouled spark plugs can cause misfires. Check the spark plug in cylinder 2 for wear or damage, and replace if necessary. Consider replacing all spark plugs at the same time, as they tend to wear out at around the same rate. Check the ignition coil: The ignition coil is responsible for creating the spark that ignites the fuel in the cylinder. A faulty ignition coil can cause misfires. Check the ignition coil for proper operation and replace if necessary. Check the fuel injector: A clogged or faulty fuel injector can cause misfires. Check the fuel injector for proper operation and replace if necessary. Consider having all fuel injectors cleaned or replaced at the same time to prevent future issues. Check the compression: Low compression in cylinder 2 can cause misfires....

Misfiring of cylinder 2 : Damages TWC (P0302) Misfiring of cylinder 2 : Damages TWC (P0302) Possible cause: ­ Combustion misfirings Affected functions: ­ ­ Engine diagnosis Engine running ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Test 1: Check component T1/2 (ignition coil cylinder 2). Test 2: Check component Y62y2 (Fuel injector cylinder 2). Test 3: Combustion misfirings 1. Check component T1/2 (ignition coil cylinder 2). Warning!Hazard as a result of high voltage at the ignition system! Copyright ? 2013, ALLDATA 10.52SS Page 5752010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 576 ­ Electronic ignition systems operate within a hazardous power range both at the low voltage side (primary circuit) as well as on the high voltage side (secondary circuit). ­ Contacts with such parts can result in burns, heart flutter or cardiac arrest. Rules of conduct and protective measures ­ ­ ­ ­ ­ Persons with h...