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post #7 of (permalink) Old 16th April 2006
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Welcome to the forum.

As far as I know, ECU failures are unheard of on this particular car.
The TDC sensor tells the ECU in which position the engine is in and from there it knows when to spark the plugs,so it's unlikely to be this.
An ECU coolant temperature sensor fault won't through up a fault code since the ECU just adjusts fueling to the temperature that is given to it from the sensor.You really need to see the live data from the ECU to determine wether the sensor is telling the truth or not.
A faulty sensor could give a similar fault as the one your experiencing,as could a faulty Lambda sensor.If these are found to be O.K,then have the ECU tested,just in case.Other than that,I'm out of ideas.......

I'd rather push my Alfa than drive a BMW....
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