Cummins/Onan — Fuel Solenoid Check (K14)
Testing & diagnosis · Fuel solenoid K14
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKA, Cummins/Onan HDKAQ, Cummins/Onan HDKAR
Procedure
- Watch for solenoid actuation when B+ is applied (start switch in start or run position).
- If there is no actuation when B+ is applied, the fuel solenoid must be replaced.
- When B+ is removed, the solenoid must de-activate.
Full service-parts list: Cummins/Onan HDKA →, Cummins/Onan HDKAQ →, Cummins/Onan HDKAR →
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.