Tacoma 2WD L4-2.4L (2RZ-FE) (1996)
A. Warm up engine.
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Allow the engine to warm up to normal operating temperature.
B. Check idle speed.
Idle speed: 650 - 750 rpm
C. Check throttle opener setting speed.
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Disconnect the vacuum hose from the throttle opener, and plug the hose end.
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Check the throttle opener setting speed.
Throttle opener setting speed: 1,200 - 1,500 rpm
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If the throttle opener setting is not as specified, replace the throttle body.
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Stop the engine.
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Reconnect the vacuum hose to the throttle opener.
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Start the engine, and check that the idle speed returns to the correct speed.
D. Disconnect TOYOTA hand-held tester or OBD II scan tool.