Tacoma 4WD L4-164.4 2693cc 2.7L DOHC (3RZ-FE) (1996)
Idle Speed: Testing and Inspection
1. INITIAL CONDITIONS.
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Engine at normal operating temperature.
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Air cleaner installed.
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All pipes and hoses of air induction system connected.
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All accessories switched OFF.
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All vacuum lines properly connected.
HINT: All vacuum hoses for EGR system, etc. should be properly connected.
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MFI system wiring connectors fully plugged in.
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Ignition timing check correctly.
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Transmission in neutral position.
2. CONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL TO THE DLC3.
3. INSPECT IDLE SPEED.
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Race the engine speed at 2,500 rpm for approx. 90 seconds.
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Check the idle speed.
Idle speed: 650 - 750 rpm
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If the idle speed is not as specified, check the IAC valve, intake air leakage and MFI system.
4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL.