Tests DC: Mass Air Flow (MAF) Sensor
NOTE
This Pinpoint Test is intended to diagnose the following:
- Mass Air Flow (MAF) Sensor
- Harness Circuits: MAF SIG, MAF RTN, Vehicle Power (VPWR), Power Ground (PWR GND), IAT and SIG RTN
- Powertrain Control Module (PCM)
Pinpoint Test Schematics and Connectors
Focus, Contour/Mystique, Cougar (MAF):
Escort (4V), Taurus/Sable, FF Taurus, Windstar, Explorer/Mountaineer, Econoline, Excursion, 5.4L/6.8L F250/F350/F450 (MAF):
LS6/LS8 (MAF):
All Others (MAF):
Escort (4V), Windstar, Econoline (MAF Extension):
Mustang (MAF Extension):
Escort (2V), 4.2L/4.6L/5.4L F150, Expedition/Navigator (MAF Extension):
Continental (MAF Extension):
Ranger (MAF Extension):
Tables and chart
Barometric Pressure Reference Chart:
Voltage To Mass Air Flow Conversion Table:
Pinpoint Tests