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P0309 Diagnostic Trouble Code Discussion for January 2009

Fuel Injector 3 Control Circuit High

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Trouble Ticket Help Requests for DTC P0309
Help Request Posted
2001 Mercedes-Benz S600 5.8L Excessive Emissions, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: WDBNG78J31
P0309: cylinder 9 miss. Vehicle came in with numerous codes PO208F, P2003, P2050, PO2052, P20C9 P2013 P20E0 P20A5 P020C6. Cleared codes test drove, replaced ignition coil module and plugs for both banks and missfire codes for all cylinders have returned at different times, along with...
January 22, 2009