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2001 Lincoln LS 3.9L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Ford Driveability on 10/8/2013 16 Replies

I'm getting a P0304, P0303, and P0300 stored in memory. The car runs rough at idle, Fuel Trims show bank 1 as -25% and bank 2 as +25%. I have replaced all spark plugs and #4 coil with no change. EGR Valve is functioning correctly with no leakage. No excessive ...

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  Related Documents & Media  2001 Lincoln LS

 
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car Vehicle Data

2001 Lincoln LS

VIN 1LNHM87A01
Engine3.9 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0300Multiple Misfire Detected
P0303Cylinder 3 Misfire Detected
P0304Cylinder 4 Misfire Detected
Message Closed

car Vehicle Data

2001 Lincoln LS

VIN 1LNHM87A01
Engine3.9 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0300Multiple Misfire Detected
P0303Cylinder 3 Misfire Detected
P0304Cylinder 4 Misfire Detected