Mechanics

A4

2003 Audi Quattro • V8 AWD Automatic • 89,321 miles

I have a 2003 audi quattro, is running great, I changed the oil and filter, car is still running great as ever then check engine light came on even though no apparent problems, took it to be read they said catalytic converter? Could this be, thanks, Nathan
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Nathaniel Malast
August 5, 2011.




Go to this link: http://www.2carpros.com/articles/service-engine-soon-or-check-engine-light-on-or-flashing

Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.

Tiny
Rasmataz
Aug 5, 2011.
Srry, forgot to add this. Code was read as P0420?

Tiny
Nathaniel Malast
Aug 5, 2011.
Have the catalytic converter checked-

Tiny
Rasmataz
Aug 5, 2011.
Could this be normal, the car is running great?

Tiny
Nathaniel Malast
Aug 5, 2011.
P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
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Tiny
Rasmataz
Aug 5, 2011.

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