Idle problems after upgrading to 52mm Throttle Body

Hi All,



I upgraded to a 52mm throttle body in my ZS 120. It feels very responsive, but unfortunately when left to idle the revs 'hunt' up and down. I have done the stepper reset thing (5 times on the pedal, off, on) to no avail.



I read it is a good idea to swap the TPS sensor from the old unit to the new one. I unfortunately can't do this as the bolts have seized on my old one.



Is it worth me trying to unseize those bolts tommorow and swapping the TPS sensor? Or put the old TB back on :bored:

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