Ford Mustang (1999-2004) Service Manual: Electronic Engine Controls (Description and Operation)
The electronic engine controls consist of the following:
- powertrain control module (PCM)
- throttle position (TP) sensor
- idle air control (IAC) valve
- engine coolant temperature (ECT) sensor
- cylinder head temperature sensor
- camshaft position (CMP) sensor
- crankshaft position (CKP) sensor
- mass air flow (MAF) sensor
- intake air temperature (IAT) sensor
- heated oxygen sensor (HO2S) - front
- catalyst monitor sensor - rear
- wheel speed sensor
The powertrain control module needs the following inputs to calibrate the engine correctly:
- crankshaft position
- engine rpm
- engine load (manifold pressure)
- atmospheric (barometric) pressure
- engine coolant temperature
The throttle position sensor:
- sends the powertrain control module a signal indicating the throttle plate angle.
- is the main input to the powertrain control module from the driver.
The idle air control valve:
- controls bypass air around the throttle plate at low speeds.
- is controlled by the powertrain control module.
The cylinder head temperature sensor:
- provides a gauge signal for coolant temperature.
- is mounted on rear of LH cylinder head.
- sends the powertrain control module a signal indicating engine temperature.
- resistance decreases as coolant temperature increases.
The camshaft position sensor:
- sends the powertrain control module a signal indicating camshaft position, used for fuel synchronization.
The crankshaft position sensor:
- sends the powertrain control module a signal indicating crankshaft position.
- is essential for calculating spark timing.
The mass air flow sensor:
- sends the powertrain control module a signal indicating mass air flow rate of air entering the engine.
The intake air temperature sensor:
- sends the powertrain control module a signal indicating the temperature of the air entering the engine.
The heated oxygen sensor:
- has the ability to create a voltage signal depending on exhaust oxygen content.
- provides feedback information to the powertrain control module used to calculate fuel delivery.
The rear catalyst monitor sensor:
- monitors oxygen content after the oxygen flows through the catalytic converter.
- provides a voltage to the powertrain control module used to calculate catalytic converter integrity.
The wheel speed sensor:
- sends a signal to the powertrain control module indicating wheel speed.
Electronic Engine Controls
General Specifications
Torque Specifications
...
Electronic Engine Controls - Cobra
Most of the Cobra engine electronic controls are similar to that of
the non-supercharged 4.6L (2V)
engine. These components are as follows:
Crankshaft position (CKP) sensor
Throttle posi ...
Other materials:
Accelerator Pedal and Shaft
Removal and Installation
1. Push the accelerator cable nylon bushing out of the accelerator pedal and
shaft arm.
2. Remove the accelerator pedal and shaft.
Remove the nuts.
Remove the accelerator pedal and shaft.
3. To install, reverse the removal pro ...
Removal
1. Disconnect the battery ground cable.
2. Remove the air cleaner outlet pipe.
3. Remove the radiator sight shield.
4. Remove the coolant recovery reservoir.
1. Disconnect the hose.
2. Remove the bolts.
3. Remove the coolant recovery reservoir ...
Radiator
Material
Item
Specification
Motorcraft Premium Gold
Engine Coolant
VC-7-A (in Oregon VC-7-B)
(yellow color)
WSS-M97B51-
A1
Removal and Installation
NOTE: Radiator removal and installation is similar for both 3.8L and
4.6L vehicles. ...