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P0256 Diagnostic Trouble Code Discussion for September 2008

po303 misfire damaging cat 3

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Trouble Ticket Help Requests for DTC P0256
Help Request Posted
2002 Mercedes-Benz ML320 3.2L Misfire VIN: 4JGAB54E02
Thanks for your help in advance. this truck was brought in with a misfire and the mentioned codes. we checked it all out and found that the #3 ignition coil was bad. thought, this will be simple, not!! replaced the coil and it still missed. on the primary patt...
September 27, 2008