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2003 Volkswagen Jetta GL 2.0L Excessive Emissions, MIL Lamp on
Posted to European Driveability on 3/21/2011 8 Replies

When the P1141 (17549) code comes on, if driving is continued, it gets very rich and sets a system rich code P1166 (17574). This is intermittent. We have kept and drove this thing for a week with no problem, came back within an hour of releasing it three times...

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  Related Documents & Media  2003 Volkswagen Jetta GL

 
Message Closed w/FIX

car Vehicle Data

2003 Volkswagen Jetta GL

VIN 3VWRK69MX3
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursHot, Intermittently

Trouble Codes

P1141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P1166Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2003 Volkswagen Jetta GL

VIN 3VWRK69MX3
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursHot, Intermittently

Trouble Codes

P1141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P1166Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction