Montero LS 4WD V6-2972cc 3.0L SOHC 12 Valve (1994)
Idle Speed: Testing and Inspection
Pre-Inspection Conditions
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Engine coolant temperature: 80-95°C (176-203°F)
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Lights and all accessories: OFF
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Transmission: Neutral (P for A/T)
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Check the basic ignition timing (with ignition timing adjustment terminal grounded):
Standard value: 5° BTDC ±2°
After turning the ignition switch to OFF, connect a tachometer to the ignition or a scan tool to the data link connector.
Ignition Tach Connector Location
To attach a primary voltage detection-type tachometer:
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Insert a paper clip into the 1-pin connector between the primary side of the ignition coil and the noise filter. The connector should not be
disconnected. Connect a primary voltage detection-type tachometer to the paper clip.
CAUTION: Insert the paper clip along the terminal from the opposite side to the locking pawl of the female connector, as shown in the
illustration.
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Start the engine and run it at idle
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Run the engine at idle for 2 minutes
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Check the idle speed
Curb Idle Speed: 7OO ±1OO rpm
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The idle speed is adjusted automatically by the Idle Air Control (IAC) system.
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If there is a deviation from the specified value refer to the Fuel Delivery and Air Induction section for information on diagnosis of the Multiport
Fuel Injection components.