P0509 Ford

Ford P0509 OBD-II Trouble Code Definition: P0509 Idle Air Control System Circuit High P0509 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0509 Idle Air Control System Circuit High What does the code mean? OBD-ii Code P0509 definition: The ECM has detected that the IAC counts are higher or lower than expected, the engine speed is not […]

Read More… from P0509 Ford