Tafe 35DI Idle Problem

coxtavrn

New User
My Tafe 35DI cranks and runs but doesn't want to idle. RPM fluctuates and I have to choke off the intake to shut it down (it wants to run away on me). Oil reservoir on injection pump is full. Its been sitting a while, so I suspect the IP has an issue. Simpson diesel engine, Mico injection pump.
 
One or more plungers are stuck which keeps the rack from moving. Pump will need to come apart for cleaning and parts inspection. I've seen those pumps need the rack and gear segments replaced due to severe rusting of the gear teeth sometimes too.
 
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