3 Answers
Mixture idle/cutoff effect on electric boost pump and Hi/lo electric boost pump
Asked by: Waggs 1974 views Aircraft Systems
I have a Piper Dakota Turbo (1979) with the optional boost primer button. It also has the Hi/Lo electric fuel pump. My question is that it seems the engine will not shut down with the mixture idle/cutoff closed and either boost pump or Hi/Lo pump turned on. Is this normal operation? I just had the engine driven pump assy rebuilt and that hasn't fixed the problem. Is this normal operation? The POH states that you can lean the auxiliary pump in flight which suggests to me that the mixture should be able to cut it off. Thanks
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