tuning box

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they work, but not that well, its not liner for a start,all it does is fool the ECU inot thinking the fuel rail pressure is low, thereby increasing fuel rail pressure, and therefore fuelling.
 
although the RON boxes dont tlook too disimilar, its just they affect 2 sensors rather than one, mainly the fuel rail and the MAP. or the MAF and MAP.
should be slightly better results than just the fuel rail, but still not a substitute for a decent remap IMO.
 
although the RON boxes dont tlook too disimilar, its just they affect 2 sensors rather than one, mainly the fuel rail and the MAP. or the MAF and MAP.
should be slightly better results than just the fuel rail, but still not a substitute for a decent remap IMO.

i had one of Rons tuning modules on my rover 75 doozil,all i can say is it made a huge difference to the power,it removed the flat spot and the fuel consumption did improve slightly.
 
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