× 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
1993 Volkswagen Jetta GL 2.0L Excessive Emissions, Poor Fuel Economy
Posted to European Driveability on 11/27/2006 4 Replies

Vehicle gets poor mileage. Black soot forming on rear of vehicle. VAG-COM (Ross-Tech)software and interface report no lambda reading. Reading stays at 1.0 all the time. Replaced ECU with a used one and all was good for a [...] grounds are good,HO2s wiring is g...

4 Replies Received (View Replies)

  Related Documents & Media  1993 Volkswagen Jetta GL

 
Message Closed

car Vehicle Data

1993 Volkswagen Jetta GL

VIN 3VWRL21H9P
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Motronic Multi port f/i
Emissionsno egr
SymptomsExcessive Emissions, Poor Fuel Economy
OccursAlways

Trouble Codes

00525No lambda reading
Message Closed

car Vehicle Data

1993 Volkswagen Jetta GL

VIN 3VWRL21H9P
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Motronic Multi port f/i
Emissionsno egr
SymptomsExcessive Emissions, Poor Fuel Economy
OccursAlways

Trouble Codes

00525No lambda reading