Question about 1993 Toyota Corolla

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Adjusting idle speed ae100 corolla

What is the knock sensor

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  • pjroberts200 Dec 07, 2008

    i just want to know what is the normal rpm in park and drive modes for my ae 100 engine (L Touring Wagon) 1996

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What is the question, the idle speed or the knock sensor? The idle speed is not adjustable, it is computer controlled, if it has a stalling problem then the idle speed control valve is dirty.
The Knock sensor is just that, it senses what some people call spark knock, some pinging and others cylinder detonation, it sends a signal to the computer that the engine is knocking and the timing is then retarded until the knock stops, it can not completely stop knock but in most cases it controls it well as long as the engine is in good condition and the right grade of gas is used.

Posted on Nov 21, 2008

  • Eric Sebera Sep 14, 2010

    On some throttle bodies, especially those that are cable-actuated, you can adjust the idle speed of your engine by means of a screw on the throttle body. This screw will change the angle to allow more or less air into the engine when the accelerator is not being depressed. More air increases the idle speed. Less air reduces the engine idle speed.

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