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1998 Ford Explorer Eddie Bauer 4.0L MIL Lamp on, cat efficency bank #
Hi guys, 4 months ago we replaced the upper and lower intake gaskets on this explorer now it keeps setting code P0420B everytime customer drives it. Bank #1 cat effecincy below limit. There are no driveablity problems and all 4 O2 sensors are working and givin...
FIX posted 4/30/2003
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Message Closed w/FIX
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Related Documents & Media | VIN | 1FMZU34E5W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Cat Efficency Bank # |
| Occurs | Always |
| Misc. | 4Door Awd |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1998 Ford Explorer Eddie Bauer
| VIN | 1FMZU34E5W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Cat Efficency Bank # |
| Occurs | Always |
| Misc. | 4Door Awd |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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