2003 FORD MUSTANG Workshop Manual

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FORD MUSTANG 2003  Workshop Manual DIAGNOSIS AND TESTING 
Engine 
For basic mechanical concerns, refer to 
Section 303 - 00  . Refer to the Powertrain Control/Emissions 
Diagnosis (PC/ED) manual.  SECTION 303-
01B: Engine — 4.6L (2V)

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FORD MUSTANG 2003  Workshop Manual IN-
VEHICLE REPAIR 
Intake Manifold 
Removal  1. Drain the engine cooling system. For additional information, refer to  Section 303 - 03A  or 
Section  303 - 03B  . 
2. Remove the air cleaner outlet t

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FORD MUSTANG 2003  Workshop Manual 7. Remove the bolts and position the cables and bracket out of the way. 
8. Remove the breather tube. 
9. Disconnect the evaporative emissions return line. 
10. Disconnect the differential pressure fe

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FORD MUSTANG 2003  Workshop Manual 12. Disconnect the EGR vacuum regulator solenoid electrical connector. 
13. Disconnect the EGR vacuum regulator solenoid vacuum supply. 
14. Remove the bolts retaining the EGR vacuum regulator solenoi

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FORD MUSTANG 2003  Workshop Manual 16. Disconnect the positive crankcase ventilation (PCV) hose from the base of the throttle body and 
spacer assembly. 
17. Disconnect the hose from the PCV valve. 
18. Disconnect the vacuum hose from

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FORD MUSTANG 2003  Workshop Manual 20. Disconnect the main vacuum supply from the base of the throttle body adapter. 
21. Disconnect the throttle position sensor (TPS) electrical connector. 
22. Remove the bolts. 
23. Remove the thrott

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FORD MUSTANG 2003  Workshop Manual 24. Disconnect the fuel pressure sensor electrical connector and the vacuum hose. 
25. Disconnect the fuel charging ground wire. 
26. Disconnect the ignition coils and the fuel injectors. 
27. Disconn

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FORD MUSTANG 2003  Workshop Manual 28. Remove the four studs. 
29. Remove the injectors and fuel injection supply manifold as an assembly. 
30. Remove the ignition coils. 
31. Disconnect the battery terminal.  Klj .  7 ba
  202003