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The standard ECU seems to use the neutral/clutch switches as a trigger for closed loop.
I tested the continuity right at the wires going into the box and its not changing at all between in gear and in neutral.
The clutch switch and neutral switch combine before going into the ecu ( so that either will send the signal to the ecu ).
Its not a big deal but annoying. With the car idling and foot off the clutch the idle sits high, and in the fuel ratio gauge I can see that its not doing the 'closed loop bounce'. With the clutch pedal pressed the idle drops to normal and the bounce is back as it should be.
I'm on a mission to address get my car at a good running quality - and fix up any niggling little things like this.
I'm not interested in upgrades anymore - I want to get the car running well !
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