I had to replace my fuel regulator recently, and cant recall what fuel pressure was set last time. I am running Eaton draw through with MPI tank and retro fitted ECU etc with two injectors into inlet. I have fitted new regulator and set at 40psi to check for fuel leaks around the joining points and all good. Will 40 be ok for road or should I knock it back a bit?
Correct Fuel Pressure For Injection S/c
Started by
maccers
, Oct 19 2014 05:21 PM
6 replies to this topic
#1
Posted 19 October 2014 - 05:21 PM
#2
Posted 19 October 2014 - 07:26 PM
Well the base fuel pressure will effect the fuelling throughout the map. Iirc mine is set at 3 bar.
I guess checking your afr on your ecu should give you confidence that it's correct.
Do you have any closed loop engaged?
I guess checking your afr on your ecu should give you confidence that it's correct.
Do you have any closed loop engaged?
#3
Posted 20 October 2014 - 07:26 AM
Whats a closed loop?
#4
Posted 20 October 2014 - 07:50 AM
It's when you ecu can make changes to the fuelling on the fly via feed back from a wideband O2 sensor.
#5
Posted 20 October 2014 - 08:59 AM
Ah, yes, in that case I do have a closed loop system via a sensor in the exhaust manifold.
#6
Posted 20 October 2014 - 05:46 PM
So that should take care of any small changes, always worth going of a drive and data logging from the ecu to make sure everything looks ok
#7
Posted 20 October 2014 - 06:21 PM
Road tested today, everything runs and sounds like it should. No obvious signs of anything untoward.
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