CNG HP shutoff valve
â–¶ How to fix
- Check wires and connectors, check for electrical fault; - Inspect Valve - Check main relay for electrical fault - Check the gas line leaks - Replace Unit
What you'll see
No driver-visible symptom recorded.
System reaction
- Valve will close and fuel will be cut-off. - Engine will run badly and stop after a few seconds when there is no more gas in the system.
Diagnostic depth
Detection
- Fault is detected in Output module CJ9xx.
Possible cause
- Wires or connectors of high pressure shutoff valve has been damaged