Audi A6 Quattro Problem Report
Audi A6 Quattro Check Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault
Vacuum leaks, oxygen sensor failure, and catalytic converter efficiency faults can cause the Check Engine Light to illuminate.
Check engine light is on, code is reading O2 sensor - Visitor
the engine light is on and i cant drive the car cause it will cut off and oil is leaking - Visitor
Have been told that it is the O2 sensor. I have had them replaced and the CEL is back after 10k miles. - Visitor
catalytic converter insufficient flow cause CEL on - Visitor
vacuum leak code (p4117)firstname.lastname@example.org - kasy
Have this problem as well, need to assemble funds to fix it. - bestdmitry
check ingine light car seems to slow down and pick up at times - diva1
CEL on. Checked OBDCOM--diagnoses was improper Catalytic converter air mixture coming from back O2 Sensors. Will replace catalytic converters and O2 sensors. - Visitor
my car has a check engine light on it wont start anymore and its leaking fluid can someone tell...
Engine oil leaks are common from the valve cover gaskets and camshaft chain tensioner gasket.
lower speeds and rpm light comes on.Higher speed and rpm will stay off until I reduce speed to...
A problem with the torque converter can cause the Check Engine Light to illuminate.
I have a problem with a check engine light staying on. It was diagnosed as a problem in the co...