Tiburon L4-2.0L (1999)
Idle Speed: Testing and Inspection
IDLE SPEED CHECK PROCEDURES
NOTE: Before adjusting, check that the spark plugs, injectors, idle speed control actuator ISC actuator, compression etc. are normal.
Checking Conditions:
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Engine coolant temperature is 80 to 95 °C (176 to 205 °F). Lights, electric cooling fan and all accessories are off.
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Transaxle is in neutral ["P" or N" range for A/T vehicles].
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Steering wheel is in straight forward position (Vehicles with power steering).
1. Connect the GST (Generic Scan Tool) to the data link connector at lower crash pad.
2. Start and run the engine at curb idle speed.
3. Run the engine for more than 5 seconds at an engine speed of 2,000 to 3,000 rpm.
4. Run the engine at idle for 2 minutes.
5. Read the idling rpm.
Idle speed 800 ± 100 rpm
