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2001 Audi A6 Quattro 2.8L MIL Lamp on
Posted to European Driveability on 3/23/2010 6 Replies

Occasionally the right side air injection will pass it's test. This is very rare. I have checked the valve and air flow to the cylinder head and the vacuum supply to the valve. When putting compressed air into the port in the head I have little to no flow. Has...

6 Replies Received (View Replies)

  Related Documents & Media  2001 Audi A6 Quattro

 
Message Closed w/FIX

car Vehicle Data

2001 Audi A6 Quattro

VIN WAUEH64BX1
Engine2.8 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

16519Oxygen Sensor B1 S1 Heating Circuit Malfunction
16539Oxygen Sensor B2 S1Heating Circuit Malfunction
16814Catalyst System Bank 2 Efficiency Below Threshold
17819Secondary Air Injection System Bank 2 Insufficient Flow
Message Closed w/FIX

car Vehicle Data

2001 Audi A6 Quattro

VIN WAUEH64BX1
Engine2.8 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

16519Oxygen Sensor B1 S1 Heating Circuit Malfunction
16539Oxygen Sensor B2 S1Heating Circuit Malfunction
16814Catalyst System Bank 2 Efficiency Below Threshold
17819Secondary Air Injection System Bank 2 Insufficient Flow