Anyone here had failure in one of these?

 

Right now, the Zed can vary from 1900-800rpm at rest. Plus, the engine can rev as much as 3.5K before changing up with very little throttle. Sometimes ot changes up normally and other times I have to put the auto into hold just to get the car to change up at sensible revs.

 

Does this sound like the IAA unit to you? Luke seems to think so but I`m not sure I explained the problem very well to him.

 

Any help VVVVV much appreciated as I do not want to think it is the box starting to fail......I only got the car back on Saturday.

1. Check the connector on the unit first - reckon it'll be full of green stuff.

 

2. Check the hard-idle switch is working (part of the TPS on N/S throttle body) - with the engine running, and head under the bonnet, you should hear a faint 'click' when you partially open the throttle.

 

3. IAA may require a blast of carb / brake cleaner to dislodge any built-up gunge - but this is unlikely, since you say the idle varies so much.

 

HTH