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in.the.dark, I think wstar is right. The MAS does measure how much air goes by, but it also measures in how big an interval of time, and at what temp
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06-17-2009, 05:18 PM
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Enthusiast Member
 
Join Date: Apr 2009
Location: Columbus, Ohio
Posts: 359
Drives: '04 Cavalier
Rep Power: 182   |
in.the.dark, I think wstar is right. The MAS does measure how much air goes by, but it also measures in how big an interval of time, and at what temp it was, and adjusts the fuel-air mixture based on that. By cooling the air at the throttle body you increase the density, and that new density is what arrives in the cylinder and is burnt. No one added oxygen into the air, but now there is more oxygen in the same stroke volume, and the mixture is lean.
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