I have some issues with a isx 870.
Does anyone how to test if turbo control valve is working alright or if ECM is sending signal to control valve?
Turbo does not sound like it used to sound few months ago...
Please let me know i apreciate your help.
ISX cm870 turbo control valve.
Discussion in 'International Forum' started by ECIDtrucker., Sep 3, 2015.