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1997 Ford Crown Victoria LX 4.6L MIL Lamp on
Posted to Ford Driveability on 11/10/2000

Hello all, this car has no symptom and always runs great. It also has one new downstreem O2 on bank 2. Upstream and downstream O2's are all switching above and below .450v. I think downstreams O2's should be more flat lined and not switching so much if convert...

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car Vehicle Data

1997 Ford Crown Victoria LX

VIN 2FALP74W4V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.Calibration 7-18F

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
P0430Catalyst Efficiency Below Threshold (Bank 2)
Message Closed

car Vehicle Data

1997 Ford Crown Victoria LX

VIN 2FALP74W4V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.Calibration 7-18F

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
P0430Catalyst Efficiency Below Threshold (Bank 2)