Tuners?

"Nick, Drives a Cobalt LT" (dropagearanddisappear) 02/27/2015 at 12:47 • Filed to: None

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Anyone here good with tuning? I need advice.....

If my MAF isn't calibrated properly can that cause my p01xx codes pertaining to the MAF sensor?

Or is that a whole nother issue on it own?

Aaron M - MasoFiST > Nick, Drives a Cobalt LT 02/27/2015 at 13:08

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I'm seriously wondering how a MAF sensor becomes uncalibrated, first. The calibration is a set of values in the ECU that takes the raw sensor data and translates it into a mass air quantity based on intake size, sensor tube dimensions and fluid flow, and a few other things. Only thing that will uncalibrate a MAF sensor is changing a parameter it was tuned for, like by adding an aftermarket cold-air intake. The sensor itself cannot become uncalibrated, it can only break.

GM MAF sensors do break, though it's probably worth it to try cleaning the thing first.

Ducky > Nick, Drives a Cobalt LT 02/27/2015 at 13:37

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I work at a major tuning company and I can tell you you don't need tuning advice. You need new parts advice. Tuning involves flashing your ECU and a side effect is no more standard OBD2 codes.