metering unit
11-01-2012, 05:25 AM
#1
metering unit
Got the fiesta running, its a xr2 and ive just done a mi turbo conversion on it. its very up and down missing and clearing. Its new plugs, leads cap and arm so thinking fuel
Am i right in saying if i unplug 1 or both the plugs on the meter unit the car should cut out?
It doesnt, it keeps running the same
Any ideas?
Am i right in saying if i unplug 1 or both the plugs on the meter unit the car should cut out?
It doesnt, it keeps running the same
Any ideas?
11-01-2012, 06:44 PM
#3
if i read this right you have done a MFI conversion on your fiesta? if so what fuel pump are you using if its an intank pump it will not have enough delivery pressure you need around 5-7 bar for MFI
11-01-2012, 07:22 PM
#5
i have fitted the accumulator and it has a external fuel pump fitted.
im sure with my last rs turbo i pulled a plug off the mter unit it cut out, does anyone want to try it for me on their escort please?
only other thing ive noticed is the auxillery air device that bolts under the inlet manifold, mine doesnt have a sensor on it but ive a white plug sitting there. ive seen a pic somewhere of a white sensor fitted to one?
as far as being set up, ive set the dizzy timing and after that i checked the emissions and it was pretty good to
on the fueling side, the miss seams to clear at mid range and full boost which to me would indicate its getting good fuel pressure?
im sure with my last rs turbo i pulled a plug off the mter unit it cut out, does anyone want to try it for me on their escort please?
only other thing ive noticed is the auxillery air device that bolts under the inlet manifold, mine doesnt have a sensor on it but ive a white plug sitting there. ive seen a pic somewhere of a white sensor fitted to one?
as far as being set up, ive set the dizzy timing and after that i checked the emissions and it was pretty good to
on the fueling side, the miss seams to clear at mid range and full boost which to me would indicate its getting good fuel pressure?
Last edited by Turbo Al; 11-01-2012 at 07:24 PM.
12-01-2012, 12:09 AM
#6
which plug on the metering unit?
i would think auxillery air device should have a sensor fitted to tell it when to operate unless thiers different types i don't know about
i would think auxillery air device should have a sensor fitted to tell it when to operate unless thiers different types i don't know about
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13-01-2012, 08:52 PM
#9
Right i heard all about black and grey plugs, well the loom was grey and unit black so i buggered about and fitted my spare unit with grey plug and still nothin!
Fuel goin in and returning to tank just not distributing?? What makes it distribute? The fuel ecu?
Ill try my spare tomorrow
Fuel goin in and returning to tank just not distributing?? What makes it distribute? The fuel ecu?
Ill try my spare tomorrow
14-01-2012, 09:52 PM
#12
Recon it is the meter unit too. Got it running, 2 man job, one holding flap down and the other winding it over.
I think its overfueling, misses on idle and until boost starts then it clears, in my opinion the fueling is good for boost. Unit must be sticking. Not to sound like a donut, what does the fuel ecu do?
I think its overfueling, misses on idle and until boost starts then it clears, in my opinion the fueling is good for boost. Unit must be sticking. Not to sound like a donut, what does the fuel ecu do?
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