00-0AC
UnclassifiedFuel
What This Code Means
Engine cranks but will not start; Engine overfueling; Engine unstable (hunts); Engine unstable (hunts) (Genset)
Possible Causes
- •Carburetor choke issue
- •Incorrect carburetor adjustments
- •Faulty PCB control board
- •Faulty governor controller
- •Faulty spark plugs
- •Incorrect fuel pressure at carburetor
- •Faulty vacuum pull-off
- •Faulty electric choke heater
- •Incorrect governor adjustments
- •Faulty ignition coil
- •Faulty ignition module
- •Fuel supply issue
- •Fuel lines leakage
- •Loose wire connection
- •Governor linkage binding
- •Fuel line leakage
- •Incorrect carburetor adjustment
- •Faulty PCB control board connections
- •Inadequate fuel supply
- •Leaking fuel lines
Suggested Actions
- 1Check carburetor choke
- 2Check carburetor adjustments
- 3Check PCB control board
- 4Check governor controller
- 5Check spark plugs
- 6Check fuel pressure at carburetor
- 7Check vacuum pull-off
- 8Check electric choke heater
- 9Check governor adjustments
- 10Check ignition coil
- 11Check ignition module
- 12Check fuel supply
- 13Check fuel lines for leakage
- 14Check for loose wire connection
- 15Check governor linkage for binding
- 16Adjust carburetor
- 17Check PCB control board connections
Related Onan Fault Codes
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