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Komatsu · E308
Abnormality in fuel control dial

What this code means

Abnormality in the fuel control dial (throttle dial input). Displayed under user code E05.

Applies to: PC200-7 excavator (service code).

Need the part?

If diagnosis points to a failed sensor, solenoid, controller or harness part, send us the code (E308), machine model and serial number — we quote genuine and OEM replacement parts for export.

Source: Komatsu PC200/220(LC)-7 Shop Manual – Testing and Adjusting, service codes table. Cross-checked in two independent sources. Compiled 2026-10-30. No manufacturer affiliation.