Incredible 1990 4Runner 22Re Check Engine Light References. Get back in the car and without touching anything else (especially the gas pedal), and without having any accesories on, turn the key to the on position. Engine control module (ecm) power supply.
Web #1 · apr 18, 2008 i've just realized the 22r does have some computer controls. Turn on the key, and observe the check engine light. Web replacing spark plugs on your 4runner;
