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The mkiv Supra Owners Club

Odd Idle? and other Questions!


Tricky-Ricky

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Bugger! it looks like the IAC stepper if fooked!:( took it off earlier and cleaned and tested it, found the relevant pages from the manual, and tested it by supplying 12V and grounding the pins in sequence, and found that there is no real movement!!:( unless its supposed to move in thousandths of an inch! which i doubt, so has anyone got a spare they can sell/loan me?

 

 

did you test it correctly? i seem to remember that you apply 12v to a few teminals at once. i could be wrong so check it before you try.

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Yes i found the pages from the manual on testing it, and there is no movement! you can feel it trying, took out the armature to check it was free, i suspect that one of the stator windings has overheated and shorted as the resistance is not quite right:(

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