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- Fri Feb 11, 2022 5:48 pm
- Forum: Late model JD crawler technical support
- Topic: 450C Idling High
- Replies: 1
- Views: 1859
450C Idling High
I have a 450C that has a ROOSA Master JDB Injection pump that the plastic washer was coming apart inside and clogging the return check valve. I set the timing on the engine then removed the pump. When I remove the throttle cover it looked like someone filled it with coffee grounds. I took the pump a...