× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1998 Land Rover Discovery LE 4.0L Excessive Emissions
Posted to European Driveability on 10/26/2007 5 Replies

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...

5 Replies Received (View Replies)

  Related Documents & Media  1998 Land Rover Discovery LE

 
Message Closed

car Vehicle Data

1998 Land Rover Discovery LE

VIN SALJY1248W
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursHot, Under Load, on Accel, Idle

Trouble Codes

0300Random misfire
1177O2 sensor slow response B2S1
1179O2 rich signal B2S1
1187O2 sensor heater circuit B2S2
1313Misfire catalyst damage B1
1314Misfire catalyst damage B2
Message Closed

car Vehicle Data

1998 Land Rover Discovery LE

VIN SALJY1248W
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursHot, Under Load, on Accel, Idle

Trouble Codes

0300Random misfire
1177O2 sensor slow response B2S1
1179O2 rich signal B2S1
1187O2 sensor heater circuit B2S2
1313Misfire catalyst damage B1
1314Misfire catalyst damage B2