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International Automotive Technicians Network
2001 Volkswagen Jetta GLS 1.8L Excessive Emissions
Posted to European Driveability on 1/13/2014 16 Replies

Hello Fellow Techs. We have a VW Jetta in our shop that's giving us a bit of trouble. Car failed CA emission test and MIL on. Vehicle is very rich. Fuel trim is -25 at idle however long trim seems to stay near 0. Ive checked the intake system for leaks with a ...

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  Related Documents & Media  2001 Volkswagen Jetta GLS

 
Message Closed w/FIX

car Vehicle Data

2001 Volkswagen Jetta GLS

VIN 3VWSD69M11
Engine1.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways

Trouble Codes

P0170Fuel Trim Too Rich Or Too Lean
Message Closed w/FIX

car Vehicle Data

2001 Volkswagen Jetta GLS

VIN 3VWSD69M11
Engine1.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways

Trouble Codes

P0170Fuel Trim Too Rich Or Too Lean