Originally Posted by
luxembourgrst
hy after a engine rebuild it don t start when the blue is on the cold start injector
an the black plug on the auxiliary air valve (the correct conection)
but if i change and i make the black plug on the cold injector it start but smoke a lot of black smoke at the excaust and then when the engine is still running and i want to take off the black plug on the cold injector the engine runs higher and after about 1 minuts it s stop
my 4 injector works they injecte the same quantitait of fuel
hmm strange no sorry for my english
My S1 did that,
Change meter head, same.
Turned out that the 2 sensor under the inlet mani, had the wrong color plugs on,
swapped em around and was sorted.
From memory blue plug and black plug,
one of the plugs sends a signal to the black pressure regulator to tell it how much fuel to let trought.
and because they were wrong, to much fuel was going