PassionFord - Ford Focus, Escort & RS Forum Discussion

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- - EST Fuel Pressure's??? (https://passionford.com/forum/technical-help-q-and-a/30446-est-fuel-pressures.html)

Moonie

Dec 11, 2004 11:56 AM

EST Fuel Pressure's???

One for the techs/tuners.

Any one any idea what the fuel pressures should be at various stages of the ERSTs fuel system?

Operating pressure?
Supply pressure?
System pressure?
Cold control pressure?
Warm control pressure?
Injector opening pressure?
Return line pressure?

Any help much appreciated :top:

velocity

Dec 11, 2004 10:22 PM

THIS MAY HELP ;)

PRIMARY FUEL SYSTEM PRESSURE
5.65-6 BAR

FUEL DELIVERY
1100 CM3 / MINUTE MINIMUM

LOWER CHAMBER PRESSURE

PRIMARY PRESSURE--- LOWER CHAMBER PRESSURE
5.65 BAR------------------5.35 BAR
5.7 BAR--------------------5.4 BAR
5.8 BAR--------------------5.5 BAR
5.9 BAR--------------------5.6 BAR
6.0 BAR--------------------5.7 BAR

FUEL SYSTEM LEAK TEST
MINIMUM AFTER 20 MINUTES 2.6 BAR
INJECTOR OPENING PRESSURE
3 TO 4.1 BAR

Moonie

Dec 13, 2004 07:35 PM

Does help indeed, top man cheers :clap: :top: :clap:

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