MFI Fuel Pressure
Sep 29, 2011 | 09:01 PM
Thread Starter
Wahay!! I've lost my Virginity!!
Joined: Sep 2009
Posts: 85
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From: south london
MFI Fuel Pressure
any one no the standard fuel pressure of a MFI pump?
Sep 29, 2011 | 09:16 PM
Joined: May 2003
Posts: 22,752
Likes: 8
From: Scottyland
Inectors will not open (or properly open to atomise fuel) below 5.5-6bar.
Sep 30, 2011 | 10:24 AM
Joined: May 2009
Posts: 1,525
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From: Preston, Lancs.
Seriously? That sounds a lot!
I assume the EFi cars dont need as much pressure since the opening is electronic?
Sep 30, 2011 | 09:40 PM
Joined: May 2003
Posts: 22,752
Likes: 8
From: Scottyland
Yep seriously, the injectors are mechanicaly operated by pressure...and thats how they open/atomise.
EFI only needs like 2.5-3bar
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