What is throttle stop screw?
What is throttle stop screw? Throttle stop screw is to stop your throttle from over-opening and possibly sticking wide freaking open. How to adjust throttle stop screw / idle speed? As I recall, one usually backs the screw out so the butterfly valve is totally closed at throttle position = 'zero', and then, you turn it in slightly until the idle speed notches up 'some amount' - there's probably an engine speed figure for this amount, somewhere... How to reset throttle body calibration [ step by step guide ]? Make sure that the accelerator pedal is fully released. Turn ignition...