Originally Posted by rs nutter
Originally Posted by JTECHSAFF
yeah its a global fuel adjuster not just a idle co trim
when up to temp the iscv should have no effect on idle speed as it should be shut.
Is that the screw on the ecu? It doesn't affect the whole map, its only the idle. We proved this a few weeks ago on my friends stage 3 4x4 saph.
this is what i though. it just affectis the fuelling at idle.
the fuelling over the entire map as on the ECU itself