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2004 Lincoln LS 3.9L Misfire
Posted to Ford Driveability on 1/16/2026 9 Replies

Vehicle came in with a misfire and code P0355, We replaced all the spark plugs and 4 [...] a stethoscope i can hear the injector working for the first 5 seconds or so on startup and then it stops i used a noid light and same result it would flash for about...

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car Vehicle Data

2004 Lincoln LS

VIN 1LNHM87A74
Engine3.9 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0355Ignition Control Module Circuit 5 Malfunction
Open Help Request

car Vehicle Data

2004 Lincoln LS

VIN 1LNHM87A74
Engine3.9 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0355Ignition Control Module Circuit 5 Malfunction