Mass air flow sensor (MAF) air flow rate
Last reviewed 2026-08-31
Mode 01 · PID 10 (decimal 16)
Description
Mass air flow into the engine. Later wide-range / dual MAF use PID 66.
- PID number
- 10 · 16
- Unit
- g/s
- Range
- 0 … 655.35
- Data bytes
- 2
- Formula
- ((A*256)+B)/100
- Also valid as Mode 02 freeze-frame data (same PID number, snapshot at last DTC).
Defined by SAE J1979 / ISO 15031-5. Public index — not a substitute for the paid SAE document.
Signals that use this PID
Sources
Provenance for this page. Official standards outrank community notes. See the confidence policy.
Official standard · high trust
SAE J1979 / ISO 15031-5 Mode 01 PID formulas (public index)
J1979 Mode 01 public formula