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1994 Ford Explorer Eddie Bauer 4.0L Excessive Emissions, MIL Lamp on
check engine light started coming on coming up hills. sitting at an idle or part throttle cruise (in shop) o2 sensors will suddenly stop switching, after a short time data stream indicates open loop operation. when forced rich or lean, the o2 sensors (2) d...
FIX posted 4/28/2000
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| VIN | 1FMDU34XXR |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SEFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, MIL Lamp On |
| Occurs | Hot, Under Load, Cruise, Idle |
Trouble Codes
| 172 | lean bank 1 |
| 173 | rich bank 1 |
| 176 | lean bank 2 |
| 177 | rich bank 2 |
Message Closed w/FIX
Vehicle Data
1994 Ford Explorer Eddie Bauer
| VIN | 1FMDU34XXR |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SEFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, MIL Lamp On |
| Occurs | Hot, Under Load, Cruise, Idle |
Trouble Codes
| 172 | lean bank 1 |
| 173 | rich bank 1 |
| 176 | lean bank 2 |
| 177 | rich bank 2 |
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