After reading some negative views on tuning boxes, I've decided it may be a good idea to remove mine and go back to standard.
Is it a fairly straight forward job to do? Can I do any damage in the process ?

I ask as this was all ready fitted when I bought the car, so I know nothing about it Any ideas where the plug that is plugged into the box should go (the other end seems to go into the harness behind the engine )

Click image to enlarge

Click image to enlarge

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At A guess it will just plug into the fuel rail pressure sensor right at the top back of the engine.

Just follow the cable/loom back from the box to the sensor and unplug the box from the sensor then the other end of the cable/ loom will be plugged into the car's engine management loom, unplug and then plug the original loom back into the pressure sensor.
The only problem is doing it by touch as you cant see the sensor.

It should all just go back together and you should get no warning messages.

 Mine was a blue one!

Last edited by Andy3681 on 6th Jul 2012 12:46pm. Edited 1 time in total

i think its just a matter of unplugging it...remove the plastic top cover over the engine and you should see where the 'end' of the tuning box cable goes... ... - .- -.




Y. O. L. O.
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To access the rear of the engine remove the heater scuttle where the pollen filter is.

You may not like the resulting drop in performance.....

@ Stan - The other end of the cable just disappears into the loom, I just didn't know where the plug went that is currently plugged into the box ( Does that make sense )

@ Gazellio - That's my concern, but hoping it will be kinder to engine for better reliability / longevity

will the engine run if you just unplug it john? ... - .- -.




Y. O. L. O.
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Didn't like to try in case I damaged anything ...

i dont think you will...from your picture it looks like the 'other' end of the cable has been hard wired into the loom..

also, any manufactures name on the tuning box, if so give them a ring and ask...

also, one of our sponsors , AMD, does remaps etc , so maybe a call to them might help.. ... - .- -.




Y. O. L. O.
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OK Thanks