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carreraplanes carreraplanes is offline
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Join Date: Jan 2005
Location: Gamlingay (Cambs) in UK
Posts: 139
MFI throttle deflection

MFI newbie queries:

Whereabouts do you measure the deflection of the throttle for the part load CO measurement on the MFI? Is it at the end of the large x bar at number 1 cylinder throttle stack or at the butterfly arm on the same stack or does it make no difference (due to nil gearing between the 2)? I do not have the factory protractor but I think for this relatively simple task I could fabricate something with a pointer and some marks if I knew where to take the measurements.

I also want to check that the warm up thermostat is fully disengaged. I understand that there is a plate you can remove but I am not sure which one it is. Could be the one on the end of the unit but if not I might end up with loads of discs all over the garage!!!!

Any pics appreciated.

One final point. CMA says that measurement of intake temp (and subsequent compensation on the graphs) can be ignored on the 2.4 MFI which I will do. However I wonder why this is? I thought that the 2.2 pump was similar except for the space cam.

Thanks in anticipation.....
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carreraplanes
Old 06-27-2006, 09:54 AM
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