[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index] Re: WOT switch
> Because Audi is a long-time leader in the "make your car complicated" > contest, there are three devices to richen the mixture on the > turbocharged K-Jetronic injected engines: Ever seen a mid 80s carbureted US Honda Accord? About 200 vacuum hoses running around in there! > 3) A frequency valve. It is used by the ECU to alter the control > pressure depending on signals from the oxygen sensor, throttle switch > etc. I'm not sure if ECU uses it to richen the mixture during warm-up > period. It is used to richen the mixture during warmup until the O2 sensor warms up enough to work. Orin.
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