11
UnclassifiedEmissions
What This Code Means
Engine unstable (hunts); Engine will not shut off; Excessive exhaust smoke under load; Fault Code 11 triggered; Engine unstable (hunts) (genset); Fault Code 11 active
Possible Causes
- •Fuel supply issue
- •Fuel line leakage
- •Loose wire connection
- •Governor binding
- •Incorrect governor adjustments
- •Binding in the governor
- •Incorrect actuator adjustment
- •Intake air restrictions
- •Overloaded generator
- •Incorrect valve settings
- •Incorrect injection pump timing
- •Faulty circuit breaker
- •Faulty transformer
- •Faulty wiring harness
- •Faulty inverter control
- •Fuel lines leakage
Suggested Actions
- 1Check fuel supply
- 2Check fuel lines for leakage
- 3Check for loose wire connections
- 4Check governor for binding
- 5Check governor adjustments
- 6Check for binding in the governor
- 7Check actuator adjustment
- 8Check intake air restrictions
- 9Check for overloaded generator
- 10Check valve settings
- 11Check injection pump timing
- 12Check circuit breaker
- 13Check transformer
- 14Check wiring harness
- 15Check inverter control
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for 11 on your specific Onan unit — cited to the OEM manual, not a forum guess.
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