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1999 Land Rover Discovery Series II 4.0L MIL Lamp on
Posted to European Driveability on 5/23/2014 9 Replies

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 ...

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  Related Documents & Media  1999 Land Rover Discovery Series II

 
Message Closed w/FIX

car Vehicle Data

1999 Land Rover Discovery Series II

VIN SALTY1244X
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, 2 Trips

Trouble Codes

P1171Fuel System Lean During Acceleration Detected
P1174Air Fuel Sensor (Bank 2 Sensor 1) Circuit Out-Of-Range High
Message Closed w/FIX

car Vehicle Data

1999 Land Rover Discovery Series II

VIN SALTY1244X
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, 2 Trips

Trouble Codes

P1171Fuel System Lean During Acceleration Detected
P1174Air Fuel Sensor (Bank 2 Sensor 1) Circuit Out-Of-Range High