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3 Way Selenoid Valve

by Steve Hirschi in 912 / 914 Technical Questions 7 years ago

What happens when the 3 way selenoid valve on the air box (part # 874313) acts up?

Re: 3 Way Selenoid Valve

by Rob Seaton » 7 years ago

Rob Seaton

3 1.32k 240

you will run lean at full power. The engine may hesitate as it goes from cruise to takeoff power.
How to tell if it is working?
1-When the solenoid kicks in the EGT's should start to drop, indication a richer mixture.
1- It can be bench tested with 12 volts (pos & neg on pins with make it click. You will be able to blow through the ram air port inlet once it activates)

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Re: 3 Way Selenoid Valve

by Steve Hirschi » 7 years ago

Steve Hirschi

5 6 7

Thank you!!! this will help. Sounds like the bench test will be easy and can be done insitu, after I un-plumb it.

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