Possible Causes
NOTE: The listed causes may not be a complete list of all potential problems and there may be other causes.
- Faulty ignition coil
- Ignition coil harness is open or shorted
- Poor electrical connection in ignition coil circuit
- Faulty ION sensor module
What does this mean?
Technical Notes
ION sensing module cylinder identification fault – Cylinder synchronization failure⚠
Description
ION sensing module cylinder identification fault Cylinder synchronization failure is the generic description for Isuzu P1340 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no other information about the Isuzu OBDII P1340 code.
How to Repair
Check 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)