P1243 GMC Possible Causes
- Faulty fuel injector 8
- Fuel injector 8 harness is open or shorted
- Poor electrical connection in fuel injector 8 circuit
How is the P1243 GMC code repair performed?
Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and associated 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)
P1243 GMC Meaning
Injector Circuit Cylinder 8 Intermittent is the generic description for the P1243 Gmc code, but the manufacturer may have a different description for your vehicle’s model and year. Currently, we have no further information about the P1243 Gmc OBDII code.