RICH/LEAN FAULT CODES
UnclassifiedCooling
What This Code Means
Hard starting; Misfires; Rough idle; Elevated exhaust temperature; Communication faults; Erratic voltage regulation; False alarms; Engine hunting; Surging at partial load; Coolant seepage; Overtemperature shutdown; Engine derate
Possible Causes
- •Faulty Generac 4.5L spark plugs
- •Faulty Power Zone Pro control board
- •Faulty fuel pressure regulator
- •Faulty coolant hoses
- •Faulty thermostat
Related Generac Fault Codes
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