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P0355 Diagnostic Trouble Code Discussion for April 2009

Ignition Coil 5 Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0355
Help Request Posted
2006 Ford E-250 5.4L Misfire, MIL Lamp on VIN: 1FTNE24L66
P0355: Ignition COP 5 Primary/Secondary Circuit Malfunction. vehicle came back with same cop bad. visablly burnt on top. suspect bad cop and replaced again along with new spark plug. drove for about 100 miles and back again! replaced with one from another supplier. drove about another 100 miles and back again with notic...
April 02, 2009
2006 Ford E-150 4.6L Misfire, MIL Lamp on, LACKS POWER VIN: 1FTRE14W76
P0355: Ignition COP 5 Primary/Secondary Circuit Malfunction. have limited scan data vehicle missfires under load. switched coils with no change seems to have a rough idle and lacks power on the road. have seem many coils fail and cause this but cannot find any proof. how can i test the coils? do any ford techs no of any...
April 22, 2009