[Biturbos4] running rich, failed smot
ti at amb.org
Sat Nov 22 16:27:06 EST 2003
David Giannandrea writes:
> I just got back from the smog station, the owner said he stopped testing
> before he even started because the car was running about 10 times too high
> on something. He indicated that it was running too rich.
> No Check Engine light except for an occasional blink when going down long
> grades and off the gas.
> Car is going to my mechanic (not dealer) Monday. Any suggestions ?
> [ '93 S4 ]
Check for stored fault codes in the ECU with VAG-COM. That should provide
a good clue as to what's happening. On a '93, you won't have the ISO 9141
(OBD II) style diagnostic connector, but probably have the old 2x2 style
connector, but there is an adapter available from Ross-Tech (the maker
2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
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