Smooth out an unstable idle by keeping the right amount of air moving past a closed throttle with the Standard Ignition Idle Air Control Valve (MPN AC568). It drops in as a direct-fit replacement for the 2002-2004 Ford Mustang [V6-3.8L] and the 2004 Ford Mustang [V6-3.9L], so it slots into the listed applications without modification.
The idle air control valve meters air bypassing the throttle plate at idle, letting the engine's computer regulate idle speed during cold starts, warm-up, and changing accessory loads. If a worn or sticking valve is the cause of your rough, surging, or stalling idle, this unit replaces it.
Diagnose the cause of an idle concern before replacing, as rough idle and stalling can also stem from vacuum leaks or sensor issues.
Manufacturer part number AC568.
What does this idle air control valve do?
It meters the air that bypasses the closed throttle plate at idle, allowing the engine's computer to regulate idle speed during cold starts, warm-up, and changing loads.
What vehicles does the AC568 fit?
It is a direct-fit replacement for the 2002-2004 Ford Mustang [V6-3.8L] and the 2004 Ford Mustang [V6-3.9L]. See the Buyer's Guide tab to confirm your vehicle.
What are signs this valve may need replacing?
Rough or unstable idle, surging, stalling, or high/low idle can be signs. These symptoms have other causes too, so diagnose before replacing.
Will this fix my rough idle?
If a worn or sticking idle air control valve is the cause, this replaces it. Rough idle can also come from vacuum leaks or sensor issues, so confirm the cause first.
What is the manufacturer part number?
The manufacturer part number is AC568 from Standard Ignition.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
