Ok, the stepper motor seems to be working. When I rev the engine it activates bit doesn't stay activated. It works on initial rev but closes again even if the revs are held. Is it supposed to hold position wherever the rev range is, or does it just activate for initial acceleration?
With the linkage disconnected, I pulled UP the little arm and wired it in position. No change in power. Barely crawled up my hill.
Checked all I could see around the intercooler and pipes but everything is in place and clean. Other than get all the front off and the the intercooler rad off, any other way of checking if that's the problem?
Going to change the arm as that is worn.
Cheers guys👍
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