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Home >> Honda >> 1994 >> Prelude VTEC >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Symptoms >> Idle Rpm High When Warm

Idle Rpm High When Warm

Check idle adjuster screw. Check Idle Air Control (IAC) valve, fast idle valve, Engine Coolant Temperature (ECT) sensor, vacuum hose connections, and A/C signal circuit.

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