P1240 Possible Causes
- Faulty fuel injector 4
- Fuel injector 4 harness is open or shorted
- Poor electrical connection in fuel injector 4 circuit
How is code P1240 repaired?
Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1240 Meaning
Injector Circuit Open Cylinder 4 is the generic description for code P1240, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the P1240 OBDII code.