Ford Mustang (1999-2004) Service Manual: Exhaust System (Diagnosis and Testing)

Ford Mustang (1999-2004) Service Manual / Exhaust System / Exhaust System (Diagnosis and Testing)

Symptom Chart

Condition Possible Sources Action
  • Noisy or leaking exhaust
  • Broken or loose clamps, hangers or isolators.
  • Punctures in the muffler (5230).
  • Broken, loose or missing exhaust manifold fasteners or gaskets.
  • Loose heated oxygen or catalyst monitor sensor.
  • REPAIR as necessary.
  • Exhaust system misalignment.

 

  • Broken or loose catalyst internal components.
  • REPAIR as necessary.

 

 

 

 

 

 

  • ALIGN exhaust system.

 

  • LOOSEN all fasteners joining the exhaust system and SHAKE the system to isolate the concern. REPAIR as necessary
  • Loss of power
  • Kinked or damaged exhaust pipe.
  • Clogged three-way catalytic converter (5F250).
  • Foreign object in the exhaust system.
  • REPAIR as necessary.
    Exhaust System (Description and Operation)
    WARNING: The normal operating temperature of the exhaust system is very high. Never attempt to repair any part of the system until it has cooled. Be especially careful when working around the three ...

    Muffler - 3.8L
    Removal and Installation 1. Raise and support the vehicle. For additional information, refer to Section. 2. Support the rear axle with a suitable jack. 3. Remove the upper arm-to-differential bolt. ...

    Other materials:

    Lamp Switch - Headlamp
    Removal 1. Disconnect the battery ground cable. 2. Remove the headlamp switch knob. 1. Pull the headlamp switch knob out. 2. Insert a thin tool into the slot, pull and remove the headlamp switch knob. 3. Remove the instrument panel cluster fin ...

    Anti-theft system
    The active anti-theft system is designed to warn you in the event of unauthorized vehicle entry and is also designed to help prevent unwanted towing of the vehicle. You can choose what is monitored by arming the system in different ways. Partial Monitor Mode ...

    Control Components (Description and Operation)
    Manual A/C The climate control system heats or cools the vehicle interior depending on the function selector position and the temperature selected. Function selector position determines heating or cooling and air distribution. The temperature blend control s ...