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1998 Land Rover Discovery LE 4.0L Excessive Emissions
Have replaced 'Y' pipe ( catalyst ) for inefficiency threshold and all 4 O2 sensors for no activity or rich mixture reading. After repair, no activity shown for MAF sensor and load reading was @55%. Replaced MAF sensor, activity shown normal and load rate fell...
FIX posted 11/12/2007
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Related Documents & Media | VIN | SALJY1248W |
| Engine | 4.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Hot, Under Load, on Accel, Idle |
Trouble Codes
| 0300 | Random misfire |
| 1177 | O2 sensor slow response B2S1 |
| 1179 | O2 rich signal B2S1 |
| 1187 | O2 sensor heater circuit B2S2 |
| 1313 | Misfire catalyst damage B1 |
| 1314 | Misfire catalyst damage B2 |
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Vehicle Data
1998 Land Rover Discovery LE
| VIN | SALJY1248W |
| Engine | 4.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Hot, Under Load, on Accel, Idle |
Trouble Codes
| 0300 | Random misfire |
| 1177 | O2 sensor slow response B2S1 |
| 1179 | O2 rich signal B2S1 |
| 1187 | O2 sensor heater circuit B2S2 |
| 1313 | Misfire catalyst damage B1 |
| 1314 | Misfire catalyst damage B2 |
Video