Toyota Corolla Idle Rpm

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Testing and inspection inspect engine idle speed a. Check the idle speed. It's never been any different. Webeverything works normally except of when it is at idle state.

Webengine idle speed is the speed, measured in revolutions per minute (rpm) an engine is designed to run at when the engine is fully warmed up and the vehicle is stopped in park. At idle rpm's cycle up and down by one or two hundred rpm and there is a gasping or rotational noise. Usually located on air cleaner housing, it senses the incoming. Webthe target idle speed is programmed in an ecm look up table and varies depending on inputs from the a/c and nsw signals. Any time actual speed varies by greater than 20. The idle speed is sent to throttle body from the ecu from several inputs, the maf, etc. Some sensor is sending a false signal to ecu or has. Webthat isn’t normal most cars idle fast when cold. 2000 rpm isn’t that unusual if it doesn’t stay there for long.