cosworth mixture screw
#1
RWD PUMA :)
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Location: UK
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cosworth mixture screw
hi
my little puma just squeezed through the mot ,the mixture was very high 4.9%
so i turned it down ,so it passed the mot but i went to turn it back up and wouldnt adjust?
then my co went to 7% and is stuck there now
so im looking for another ecu
or
information so that i can change the pot in my ecu ?
so has anybody ever done this ?
and what spec is the pot in the ecu ?
any help would be appriciated
thanks
my little puma just squeezed through the mot ,the mixture was very high 4.9%
so i turned it down ,so it passed the mot but i went to turn it back up and wouldnt adjust?
then my co went to 7% and is stuck there now
so im looking for another ecu
or
information so that i can change the pot in my ecu ?
so has anybody ever done this ?
and what spec is the pot in the ecu ?
any help would be appriciated
thanks
#2
I've found that life I needed.. It's HERE!!
Assuming you have a Weber Marelli L1 / L6 / L8 ecu, the CO pot only has 2 turns of + or - adjustment from its zero setting, if you turn it more than that it doesn't do anything. To get back to this setting, turn the screw 5 times in either direction, then turn it the opposite way 2 turns exactley, you now have upto 2 turns of adjustment in either direction.
#3
RWD PUMA :)
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its a L6
thanks for that
sounds a bit odd but ill give it a go ?
will i then get a reading if i measure the resistance?
or isit not possible to measure it?
thanks for that
sounds a bit odd but ill give it a go ?
will i then get a reading if i measure the resistance?
or isit not possible to measure it?
Last edited by purplemonster; 17-01-2009 at 04:28 PM.
#5
I've found that life I needed.. It's HERE!!
That is correct, it will turn for as long as you can turn it, there is no stop for it. But it will only change the CO settings for upto 2 turns from zero, after that it wont adjust any more.
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