Quote:
Originally Posted by arghx7
If the airflow reading is skewed in particular conditions, that propagates through a bunch of other calculations. These calculations include fuel trims and engine load used for enrichment scheduling. It also throws off any correction factor used to more closely align the MPG calculation with laboratory tests using fuel flow meters.
Changing anything related to the MAF or the fuel system actually skews a ton of stuff. It's not something to take lightly. The ECU is smart enough that you as a driver usually won't notice it but on a lot of platforms an intake mod is a huge deal. A lot of people remember putting an ebay cold air intake on some 90s Civic without a MAF sensor. So they don't realize how an intake change has so many implications on a modern vehicle.
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We all did that. Im waiting for a manufacturer that can provide an intake that retains the same diameter and fins like the stock intake.. I don like those intake that give power by leaning out the mixture...reminds me of those resistors they used to put on the intake air temp sensor to lean the fuel..wrong way to do things imo