Generac Code 3204: Fuel pressure fault
Code 3204 is listed as 'Fuel pressure fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Error Codes
Browse published fault-code records by brand, product and displayed code.
Each record starts with the source meaning, then separates applicability, owner-safe actions, operating uncertainty and qualified-service boundaries. A matching code string alone is not enough: confirm the brand, product, model and controller before acting.
Generac Code 3302: Oil pressure fault
Code 3302 is listed as 'Oil pressure fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3303: Oil pressure fault
Code 3303 is listed as 'Oil pressure fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3304: Oil pressure fault
Code 3304 is listed as 'Oil pressure fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3402: MAP sensor fault
Code 3402 is listed as 'MAP sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3403: MAP sensor fault
Code 3403 is listed as 'MAP sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3404: MAP sensor fault
Code 3404 is listed as 'MAP sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3502: MAP temperature fault
Code 3502 is listed as 'MAP temperature fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3503: MAP temperature fault
Code 3503 is listed as 'MAP temperature fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3504: MAP temperature fault
Code 3504 is listed as 'MAP temperature fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3602: Air filter sensor fault
Code 3602 is listed as 'Air filter sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3603: Air filter sensor fault
Code 3603 is listed as 'Air filter sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3604: Air filter sensor fault
Code 3604 is listed as 'Air filter sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3702: Coolant temperature fault
Code 3702 is listed as 'Coolant temperature fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3703: Coolant temperature fault
Code 3703 is listed as 'Coolant temperature fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3704: Coolant temperature fault
Code 3704 is listed as 'Coolant temperature fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3902: Oil temperature fault
Code 3902 is listed as 'Oil temperature fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3903: Oil temperature fault
Code 3903 is listed as 'Oil temperature fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 3904: Oil temperature fault
Code 3904 is listed as 'Oil temperature fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 4100: Crankshaft sensor fault
Code 4100 is listed as 'Crankshaft sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 4101: Crankshaft sensor fault
Code 4101 is listed as 'Crankshaft sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 4102: Crankshaft sensor fault
Code 4102 is listed as 'Crankshaft sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 4103: Crankshaft sensor fault
Code 4103 is listed as 'Crankshaft sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01Generac Code 4104: Crankshaft sensor fault
Code 4104 is listed as 'Crankshaft sensor fault.' for Generac Air/Liquid-Cooled Home Standby Generator. Verify the exact model and controller before acting.
Source checked 2026-05-01