Ford Mustang (1999-2004) Service Manual: Mass Air Flow (MAF) Sensor - Mach I
Removal
CAUTION: The mass air flow (MAF) sensor hot wire sensing element and housing are calibrated as a unit and must be repaired as a complete assembly. Do not damage the sensing element (internal to housing) or possible failure to the mass air flow sensor may occur
1. Disconnect the battery ground cable. For additional information, refer to Section.
2. Remove the air cleaner outlet tube. For additional information, refer to Section.
3. Remove the mass air flow sensor (MAF).
- Disconnect the connector.
- Remove the four nuts and the MAF sensor.

Installation
1. To install, reverse the removal procedure.
Mass Air Flow (MAF) Sensor - Cobra
Removal and Installation
1. Disconnect the intake air temperature (IAT) sensor.
2. Disconnect the breather hose.
3. Disconnect the vacuum hose.
4. Loosen the clamps and remove the air cleaner ...
Heated Oxygen Sensor (HO2S)
Special Tool(s)
Socket, Exhaust Gas Oxygen
Sensor
303-476 (T94P-9472-A)
Material
Item
Specification
Penetrating and Lock Lubricant
or equivalent
E8AZ-19A501-
B
...
Other materials:
Pinpoint Test B: LFC 21/DTC B1921 - RCM Bracket Ground Resistance High
Normal Operation
WARNING: The tightening torque of the restraints control module
(RCM) retaining bolts is
critical for proper air bag supplemental restraint system (SRS)
operation. Refer to Restraints
Control Module (RCM) in this section for correc ...
Assembly
1. Install the locking lever cam and pin.
2. Install the lock actuator lever and pin.
3. Install the lock actuator lever return spring.
4. Install the ignition lock cylinder lockout lever.
5. NOTE: The lock lever with two teeth is installed on the left ...
Engine Ignition (Description and Operation)
Eight separate ignition coils (12029):
are mounted directly above each spark plug (12405).
are controlled by the powertrain control module (PCM) for correct
firing sequence.
The spark plug:
changes the high voltage pulse into a spark which igni ...
