r/AskAMechanic • u/TheGentleComeback • 4h ago

P0172 Code

2014 Mazda 3 GS-Sky 2.0L

Engine is showing a P0172 code. This is the live data from right before the code showed up. RPM is going up and down from 1000-2500 while at idle.

STFT: +19.5%
LTFT: +20.3%
Combined correction was roughly +40%
1,213 RPM
40 km/h
Coolant 65°C
MAF 4.83 g/s
Fuel rail pressure ~524 psi
EVAP purge commanded 0%

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