Ford P1504: Idle Air Control System Malfunction
Is your scanner showing Ford P1504?
No worries. We'll show you what it means and how to deal with it.
Ford P1504: Idle Air Control System Malfunction
OVERVIEWWhat Does The Ford P1504 Code Mean?
Engine started, engine running at idle, check for air leaks at intake, MAF sensor, intake manifold and tubes.
What Are The Potential Causes Of The Ford P1504 Code?
- IAC circuit is open, shorted to ground or to the VPWR circuit
- IAC solenoid VPWR circuit is open
- IAC valve is damaged or has failed
- PCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Idle Air Control Valve. Valve Throttle.
>>> Cardone 78-4937 Remanufactured Ford Engine Control Module (ECM) / Computer (Renewed)
>>> Standard Motor Products AC117T Fuel Injector Idle Air Control Valve
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
2007 Powertrain Control Emissions Diagnosis On Board Diagnosis – Sections 4: Powertrain DTC Charts and Descriptions, P1504, pages 111-112.
