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Discussion Starter #1
I have a td42 with the VE style pump plus a couple of spare pumps. What I would like to know is definitively what does the second solenoid on the pump do?

The one on the injector lines is the fuel shutoff solenoid, but a couple of my spares have a second solenoid on the fuel return. This appears to open or shut some very small ports within the banjo.

I don't know which position it is normally in, so I can't figure out exactly what it does...

Thanks in advance.
 

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Cold start, effectively just raises case pressure which then raises timing to help starting in cold climates.
 

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Discussion Starter #3
Cold start, effectively just raises case pressure which then raises timing to help starting in cold climates.
So is the normal state unpowered? I don't particularly need it and have no wiring for it...
 
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