dooda

iTrader: (2)

my car cuts out when it boosts over 1 bar is this the fuel cut off valve or do i need a fuel regulator ,

i was under the understanding that the standard fuel reg is set to one bar i.e. when the turbo boosts 1 psi it shuts off 1 psi on the regulator is this correct??
and if so do i need a fuel reg so i can set it to 2 bar.

if this is all correct and i am on the right path then were is the standard fuel reg ?? HELP!!

Eprom

It's nothing to do with the fuel reg, that just maintains fuel rail pressure, your ecu is protecting your engine from damage, it is detecting your manifold pressure via the M.A.P. sensor, when it gets to high you will get fuel cut. 0.9 bar is about right for a standard car, if you try and increase your boost, you will have to add extra monitoring to the car to monitor DET. Cheapest way is with a manual boost controller but i would not advise this route, as you remove the safety control away from the ECU.

myblackwrx

iTrader: (1)

I guess you mean your head nearly goes through the windscreen?
fuel cut is 1.05bar for your car as standard so for some reason you are overboosting (standard boost 0.87bar).

dooda

iTrader: (2)

how do i add extra monitoring to the car to monitor DET???
i all ready adfust the boost via a **** under the bonnet so how can i boost more the turbo fitted is vf24 so ok with 1.5 bar so how mdo i trick the car???? HELP

myblackwrx

iTrader: (1)

What mods have been done to the car as the vf 24 isn't the standard turbo and the **** under the bonnet isn't standard either.

dooda

iTrader: (2)

the turbo , front mounted intercooler , 500bhp injectors uprated fuel pump , upgraded suspension, etc etc but no remap or upgraded ecu which i thought was wired but the guy i bought the car off had two so i think he probably removed the eco tek ecu

myblackwrx

iTrader: (1)

Get the car remapped (either a standalone ecu or a daughterboard that will fit onto your ecu) unfortunately you will be looking at £500+.

dynamix

iTrader: (3)

must be drinking fuel with the bigger injectors and not being mapped for them.

as said - needs remapping. ESL live mapping board on the std ecu will do a great job.

Jamz_

iTrader: (12)

the only way is to remap, or just turn the boost back down

dean_gti

I have a mbc and still it fuel cut many times before finding the best setting?

The rookie

iTrader: (1)

Your point being? Your hopeless at adjusting an mbc, or that the car was working exactly as designed or both?

@ Dooda, your making a pigs ear, bigger injectors and no remap is a recipe for high fuel consumption and ultimately bore wash and failed engine, at the moment the car is trying to work as it should, protecting the engine form the higher bost than it set up to safely run, get the job done properly, your probably making less power than a properly setup but otherwise near stock 96 car!

Simon

dooda

iTrader: (2)

its how i bought the car i think he had another ecu which he took out cos it seems mad doing all that and not remapping, any way after much research the cheapest option is an apex fc ecu with andy forest mapping so thank for everyones replys and yes it drinks petrol like a bitch