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Hello again Frank.  All figures here were with the car parked. Maybe why my readings are so different to yours? I checked the coolant temperature sensor at the start of this exercise and found nothing wrong with it - reading the right resistance at hot and cold.


As it is, after I swapped the throttle body, the car actually ran worse on the first trip out (ECU learning about the new MAF?), but when I put the OBD scanner on it I was getting the expected voltage fluctuations at idle - 0.2v - 0.8v on the upstream sensor, approx 0.8v steady on the downstream. Tried taking the car out a second time, and this time it was fine. Also, some problems it sometimes has when attempting to rev hard had gone away.


Job done?


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