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Old 08-06-2009, 10:40 AM   #7
Scooby Newbie
Member#: 185213
Join Date: Jul 2008
Chapter/Region: W. Canada
2007 Impreza 2.5i


Ahh...I didn't realize that there is a jet pump that transfers fuel from a sub-compartment. Depending on how the jet pump is arranged if the fuel sloshed in the tank it may cause a vapor pocket and choke the actual fuel pump causing the car to die as Kean mentions above. Hmm interesting...I think this is device is kind of like an "ejector" would make sense as the return fuel from the engine would be like the motive fluid flow and the fuel from the tank would be the entrained fluid flow.

I wonder why the tank would be set up like this...perhaps to reduce sloshing that a single compartment tank could possibly have?
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