2000 Ford F-150 P1504 IAC Valve

2000 Ford F-150

Ford F-150 On the 2000 Ford F-150, the P1504 is pointing to a problem in the Idle Air Control System. The IAC Valve is located on the top of the engine, mounted to the side of the throttle body. With the key on / engine off, take a voltage reading at the electrical connector. The voltage should be 10.5v or greater. If not, there is a problem in the circuit. Inspect the wire harness for any loose, broken of damaged wires. If the voltage checks ok, take an Ohms reading across the…

Read More