hi
Can anyone tell me how to test the air flow sensor, voltage resistance etc?
What should the car do if the sensor is unplugged while running?
This al relates to idle problems. the car will start up and idle at 2000rpm and then settle back down when the exhaust temp light goes out. Is this just coinciding with start up enrichment finishing or does something else happen in the circuit when the exhaust temp light goes out?

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regards Dave