Section 03-14: Engine Controls, Electronic
1994 Mustang Workshop Manual
REMOVAL AND INSTALLATION

Mass Air Flow (MAF) Sensor

NOTE: The mass airflow sensor (MAF sensor) (12B579) is a calibrated unit. Service hot wire engine element and housing as a complete assembly.

 

Removal and Installation

  1. Disconnect battery ground cable (14301) .
  1. Disconnect engine control sensor wiring (12A581) from mass airflow sensor and intake air temperature sensor (IAT sensor) (12A697) .
  1. Loosen engine air cleaner tube clamps (9C632) on air cleaner outlet tube (9B659) . Disconnect air cleaner outlet tube from mass airflow sensor .
  1. Remove mass airflow sensor from engine air tray (9A600) and remove mass airflow sensor from vehicle.
  1. To install, reverse Removal procedure. Align tab on mass airflow sensor with slot on engine air tray . Tighten engine air cleaner tube clamps to 2.3-3.2 Nm (20-28 lb-in).


5.0L Engine Shown, 3.8L Engine Similar





Item Part Number Description
1 9E926 Throttle Body
2A 9C632 Engine Air Cleaner Tube Clamp
3 9B659 Air Cleaner Outlet Tube
4 6758 Crankcase Ventilation Tube
5 12B579 Mass Airflow Sensor
6B N602731-S100 Bolt
7 9A600 Engine Air Tray
8 9P686 Engine Air Cleaner Support Insulator (2 Req'd)
9 16055 Front Fender Apron
10 N62333-S56 U-Nut
11 12A697 Intake Air Temperature Sensor
A Tighten to 2.3-3.2 Nm (20-28 Lb-In)
B Tighten to 6.8-9.2 Nm (60-81 Lb-In)