P0354 Diagnostic Trouble Code Discussion for June 2009
Ignition Coil 4 Control Circuit Malfunction
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| Help Request | Posted | |
| 1999 Mercury Grand Marquis GS 4.6L Excessive Emissions, Poor Idle Quality, Hesitation VIN: 2MEFM74W5X P0354: Ignition COP 4 Primary/Secondary Circuit Malfunction. this is a good friends car thats kicking my butt. i use the red brick box and i notice that injector #3 and #4 have a fault according to the data both banks are running lean +20% i also went through mode 06 to or pin point any misfire and nothing turn up,but t... |
June 19, 2009 | |
| 1999 Mercury Grand Marquis GS 4.6L Excessive Emissions, Poor Idle Quality, Hesitation VIN: 2MEFM74W5X P0354: Ignition COP 4 Primary/Secondary Circuit Malfunction. this is a good friends car thats kicking my butt. i use the red brick box and i notice that injector #3 and #4 have a fault according to the data both banks are running lean +20% i also went through mode 06 to or pin point any misfire and nothing turn up,but t... |
June 21, 2009 | |
| 2004 Ford Expedition Eddie Bauer 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMPU17L34 P0354: Ignition COP 4 Primary/Secondary Circuit Malfunction. vehicle was brought in for cylinder #4 missfire. we found #4 driver in the control unit was bad, so at this time we replaced the control unit. scaned vehicle code po354 was detected. reflashed then code po204 along with po354 was detected. continuity test was ... |
June 25, 2009 | |
| 2004 Ford Expedition Eddie Bauer 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMPU17L34 P0354: Ignition COP 4 Primary/Secondary Circuit Malfunction. vehicle was brought in for cylinder #4 missfire. we found #4 driver in the control unit was bad, so at this time we replaced the control unit. scaned vehicle code po354 was detected. reflashed then code po204 along with po354 was detected. continuity test was ... |
June 30, 2009 |
