MAF Calibration Cheat-Sheet – MAF CAL or not?
October 21, 2024A quick cheat to highlight which circumstances are suitable for a MAF CAL and which aren’t
NOTE: The sole purpose of MAF CAL is to feed a signal to the engine ECU which accurately represents the air mass entering the engine.
| Buy MAF CAL if… | Don’t Buy MAF CAL if engine has… |
| Custom Intake | Bad Tune |
| MAF Relocated | Possible Electrical/Mechanical Problem |
| Base Tune Good Before Intake Mods | Mechanical Changes Post Tune |
| Experimenting with Intake Layout | Cam Change |
| Bigger MAF Housing | Turbo Upgrade |
| Air Filter Changed | Any Upgrade Which Needs Ignition Timing Change |
| Quick Scaling of MAF Signal | Mods which have changed volumetric efficiency of engine in a big way |
