Ford Mustang (1999-2004) Service Manual: Inspection and Verification

1. Verify the customer concern by operating the engine to duplicate the condition.

2. Visually inspect for obvious signs of mechanical damage. Refer to the following chart.

Visual Inspection Chart

Mechanical

  • Engine coolant leaks
  • Engine oil leaks
  • Fuel leaks
  • Damaged or severely worn parts
  • Loose mounting bolts, studs and nuts

3. If the inspection reveals obvious concerns that can be readily identified, repair as necessary.

4. If the concerns remain after the inspection, determine the symptoms. GO to Symptom Chart .

    Engine (Diagnosis and Testing)
    Special Tool(s) Commercially Available Leakdown Tester Quick Disconnect Compression Tester 134-R0212 or equivalent Dial Indicator Gauge Adapter 303-007 (TOOL-6565-AB) ...

    Symptom Chart
    Condition Possible Sources Action Difficult starting Damaged ignition system. Damaged fuel system. Damaged starting system. Damaged charging ...

    Other materials:

    Safety belt-minder
    This feature supplements the safety belt warning function by providing additional reminders by intermittently sounding a chime and illuminating the safety belt warning light when the driver’s or front passenger’s seat is occupied and the safety belt is unb ...

    Fuel quality
    Note: Use of any fuel other than those recommended may cause powertrain damage and a loss of vehicle performance; repairs may not be covered under warranty. Choosing the Right Fuel Use only unleaded fuel or unleaded fuel blended with a maximum of 15% ethanol. ...

    Pinpoint Tests
    CAUTION: Before removing and installing the generic electronic module (GEM) or its connectors, disconnect the battery. Failure to follow this caution will result in the GEM storing many erroneous DTCs, and it may exhibit erratic operation after in ...