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International Automotive Technicians Network
1999 Land Rover Discovery SD 4.0L Poor Idle Quality
Posted to European Driveability on 1/7/2010 7 Replies

Hello, All Land Rover guys I have a big problem with this Discovery High Idle. Vehicle came in with high idle around 2500 to 3000. Changed idle air valve no change.... Changed Throttle position sensor No change...... Before all this I did smoke test...... Noth...

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  Related Documents & Media  1999 Land Rover Discovery SD

 
Message Closed w/FIX

car Vehicle Data

1999 Land Rover Discovery SD

VIN [No VIN Available]
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Land Rover Discovery SD

VIN [No VIN Available]
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected