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MFI Fuel Pressure

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Old Sep 29, 2011 | 09:01 PM
  #1  
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H.RST
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From: south london
Default MFI Fuel Pressure

any one no the standard fuel pressure of a MFI pump?
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Old Sep 29, 2011 | 09:16 PM
  #2  
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From: Scottyland
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Inectors will not open (or properly open to atomise fuel) below 5.5-6bar.
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Old Sep 30, 2011 | 10:24 AM
  #3  
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Seriously? That sounds a lot!

I assume the EFi cars dont need as much pressure since the opening is electronic?
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Old Sep 30, 2011 | 09:40 PM
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From: Scottyland
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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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