P1109 FORD Possible Causes
- Faulty Intake Air Temperature (IAT) sensor
- Intake Air Temperature (IAT) sensor harness is open or short-circuited
- Poor electrical connection in the Intake Air Temperature (IAT) sensor circuit
How to Fix P1109 FORD Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Engine light on (or engine service warning light soon)
P1109 FORD Meaning
The intermittent condition of the IAT 2 sensor is the generic description for Ford code P1109, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the Ford P1109 OBDII code.