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1999 Land Rover Discovery Series II 4.0L MIL Lamp on
Originally found that the MAF sensor was contaminated due to a K/N filter. Cleaned it and reset the adaptive memory. Got the grams per second to improve from 3.2 to 5.0. Codes returned after 2 drive cycles. Find that the fuel trims are both within 4% and both ...
FIX posted 6/19/2014
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Message Closed w/FIX
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9 Replies Received
9 Replies Received
Related Documents & Media | VIN | SALTY1244X |
| Engine | 4.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, 2 Trips |
Trouble Codes
| P1171 | Fuel System Lean During Acceleration Detected |
| P1174 | Air Fuel Sensor (Bank 2 Sensor 1) Circuit Out-Of-Range High |
Message Closed w/FIX
Vehicle Data
1999 Land Rover Discovery Series II
| VIN | SALTY1244X |
| Engine | 4.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, 2 Trips |
Trouble Codes
| P1171 | Fuel System Lean During Acceleration Detected |
| P1174 | Air Fuel Sensor (Bank 2 Sensor 1) Circuit Out-Of-Range High |
Video