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2002 Audi A4 3.0L MIL Lamp on
Posted to European Driveability on 3/7/2006 3 Replies

I've suspected oxygen sensors and they seem to be in range. Has anyone seen related codes for this problem?

3 Replies Received (View Replies)

 
Message Closed w/Summary

car Vehicle Data

2002 Audi A4

VIN WAUYP64B51
Engine3.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0421Catalytic Converter Efficiency (Bank 1)
P1113Intake Resonance Switchover Valve Circuit Malfunction
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
Message Closed w/Summary

car Vehicle Data

2002 Audi A4

VIN WAUYP64B51
Engine3.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0421Catalytic Converter Efficiency (Bank 1)
P1113Intake Resonance Switchover Valve Circuit Malfunction
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction