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1998 Ford Explorer Eddie Bauer 4.0L Excessive Emissions, Misfire, MIL Lamp on
Posted to Ford Driveability on 8/18/2016 25 Replies

Vehicle came in with blown out thermostat housing

replaced the housing sensors, therm etc.

Misfires on cyl 1 with flashing mil and cyl 4 misfire as well.

Replaced plugs and wires, compression on 1 and 4 is 150-160

still has cat damaging misfire on 1 and # ...

25 Replies Received (View Replies)

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car Vehicle Data

1998 Ford Explorer Eddie Bauer

VIN 1FMZU34EXW
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / EFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Misfire, MIL Lamp On
OccursAlways, Cold, Under Load

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0301Cylinder 1 Misfire Detected
P0304Cylinder 4 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Ford Explorer Eddie Bauer

VIN 1FMZU34EXW
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / EFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Misfire, MIL Lamp On
OccursAlways, Cold, Under Load

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0301Cylinder 1 Misfire Detected
P0304Cylinder 4 Misfire Detected