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Referring to the act of calibrating the Engine Control Unit (ECU) or Powertrain Control Unit (PCU). This is done for better performance, gas mileage, or to allow the components of the vehicle to run better after modification.

4 votes
1 answer
350 views

How inaccurate is the stock wideband 02 sensor in the SG9 Subaru Forester XT at WOT

As the title suggests, I'm trying to get concrete data on how inaccurate the stock wideband O2 sensor is in the Subaru Forester XT (MY06 to MY08). I am attempting to create a custom map for the car an …
Captain Kenpachi's user avatar
1 vote
3 answers
337 views

Can reading from the ODB port interfere with a custom STO map?

I recently had a full freeflow system fitted to my Opel/Vauxhall Astra Turbo Coupe. Along with this, I had a stage 1 STO map done to take full advantage of the new exhaust characteristics. At any rate …
Captain Kenpachi's user avatar