Audi 90 10 valve fuel consumption

[Louis-Alain Richard]

Oxygen sensor and circuitry and engine temp sensor. If the engine is always
in closed loop (ECU thinks engine is cold), then fuel consumption will be
awful.

Louis-Alain



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Hi all
I have just got my 90 10 valve up and running.
I runs smoothly and reliably but is very thirsty - something like 10 miles
to gallon.
Almost like its leaking fuel but it is not!
Where should I start looking ?

Rick Hayllar