1994 Volkswagen Golf how to?

You can choose to modify the maf sensor, the map sensor iat sensor. Just about any sensor that adjusts the fuel to use less fu el and be lean.

But remember it will make the o2 sensor read lean and it will readjust the fuel.

Then you have to eliminate the o2

lots of time to do all of this and money.

Plus youll just make the engine run hotter and eventually burn up, along with have very very very little power.