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What was the purpose of the maf sensor wiring mod?
#1
Hi guys,

I have head about the MAF sensor wiring mod on these cars numerous times around the forums etc. I am wondering what the point was in doing it? I don't plan on doing it I just don't understand what it was to solve.

Looking at the wiring diagram doing the mod would seem to cause more problems. The "ground point" that people are cutting the cables off that the maf shares with the TPS sensor is actually going through a variable resistor inside the fuel temperature sensor first. This changes the reference point of the MAF sensor and TPS sensor most likely to stop heavy fuelling when the fuel temperature is hot.

Cutting the cables and earthing them directly to the ground on the car could actually cause issues with the running of the car if the fuel ever gets too hot.
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What was the purpose of the maf sensor wiring mod? - by JTaylor2005 - 03-10-2015, 03:57 PM

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