100. Plug the MAF/Temp wiring harness into the Temp sensor then route the rest of the harness along the inside of the driver side fender to the front of the air box.
101. Seperate the MAF harness connector from the MAF sensor located at the outlet of the airbox. Connect the engine harness to the connector on the MAF/Temp harness then attach the MAF/Temp harness to the MAF Sensor. Reattach the harness to the tab on the airbox.
102. Connect the heat exchanger to intercooler hose to the fitting on the driver side of the manifold and secure it with a clamp.
103. Reinstall the foam bumper insulator and secure it in place with the stock body pins.
104. Reconnect the fog lights and indicators, then replace the fascia onto the front of the car.
105. Reinstall the screws and push in rivets that secure the inner fender wells, then reinstall the top front fascia bolts.
106. Replace the lower splash shield and secure it with the stock fasteners. The vehicle can now be lowered.
107. Verify that the coolant petcock is closed, then refill the coolant system.
108. Fill the intercooler system with a 50/50 blend of water and coolant poured into the recovery tank. Fill the tank until the water level is roughly 1” from the top of the threaded neck.
109. Turn the ignition key to the ‘ON’ position.
110. Verify that water is flowing briskly through the recovery tank, then install the cap. XV. Flashing the ECU
111. Plug the supplied programming module into the OBD-II port of the car, located below the steering column.
112. Once the main menu has loaded, press the central ‘select’ button on the controller to access the ‘Performance Tune’ option.
113. Read the discalimer carefully, then choose ‘Agree’ and press select.
114. Use the arrow buttons to select your transmission, then press select to confirm your selection.
115. Select ‘Edelbrock E-Force 5psi’ from the menu.
116. Read the description and press select.
117. The programmer will automatically save a copy of your existing engine tune. Press select to continue.
118. Turn the ignition key to the ‘OFF’ position when prompted, but do not remove it.
119. Turn the ignition key to the ‘ON’ position when prompted, but do not attempt to start the car. The programmer will automatically start saving the stock calibration.
120. Once complete, follow the on-screen prompts regarding key position until you are given the option to ‘Install Tune’ or ‘Modify Tune’. Choose ‘Modify Tune’ and press select.
121. Read the disclaimer and press select.
122. Select ‘Modify Parameters’ and press select.
123. Press select to choose ‘Axle Ratio’.
124. Press select to choose ‘Axle Ratio’, again.
125. Use the directional buttons to choose the number closest to your axle ratio (printed on the differential cover) and press select.
126. Press select to confirm your choice.
127. An asterisk will appear next to the ‘Axle Ratio’ option to signify that your changes have been saved. If your Mustang is equipped with non-stock tires, choose the ‘Tire Revs per Mile’ option and press select; otherwise, proceed to step 196.
128. You will need to check your tire manufacturer’s website to determine the tire revolutions per mile for your tires. The stock tires get 771 revs per mile.
129. Use the directional buttons to select the number closest to the tire revs per mile figure provided by your tire manufacturer. Press select again to confirm your selection.
130. Press escape twice to return to the Performance Tune menu. Choose ‘Install Tune’ and press select.
131. Confirm your choice by pressing select.
132. Follow the on-screen prompts regarding key position until you recieve notification that the tune installation is complete.
133. When the download is complete you will be prompted to disconnect the DiabloSport Performance Tuner from the OBD-II port of your vehicle.
134. If you have access to a diagnostic scan tool, run a ‘Key On, Engine Off’ test to verify that all connectors are properly installed, otherwise move on to the next step.
135. Start the car and verify a smooth idle. If you are using a diagnostic scan tool, run a ‘Key On, Engine Run’ test.