This could be an airleak after the airflow meter, any ventilate dragged in here isn t seen by the ECU and so not compensated for and can lean the engine out and can then permit the engine to rev up with not desired causing uncompromising running. As its a mechanical idiosyncrasy it tends not to slant on the anomaly buoyant and you can sometimes hear a hissing noise subsequent to the engine running.
Might afterward be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can do a fast malformation locate if you unplug the meter and run the engine without it. if the engine condition is the same subsequently chances are the meter or the link to it is faulty. Its as well as worth cleaning the MAF sensor wires, as they can get coated with dirt beyond become old which later offsets the reading. Use some entrance cleaner or brake cleaner to vaporizer onto the wires to separate the dirt upon no account adjoin the wires in the same way as everything as they are extremely fragile
Hello the TPS does have an effect upon switching the car into idle mode suitably I'd suggest to make certain the throttle dish is 100% closed and not slightly stranded as soon as carbon. and then become accustomed the TPS correspondingly that the IDL pin is continuous to the E2 attach subsequent to the throttle is closed, and entrance circuit subsequently the throttle is just cracked. Don't worry nearly any voltages, the IDL entrance is the in fact important one.