Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2003 Mercury Sable, 2003 Mercury Mountaineer, 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Perform this test when directed by QUICK TEST or if directed by other test procedures. This test is used to diagnose:
- Chassis Components
- Engine Vacuum Systems
- Fuel Pressure
- Fuel Filter
- Fuel Return
- Fuel Supply
- Fuel Injector
WARNING:
Always refer to safety procedures to reduce possibility of injury. See FUEL SYSTEM SAFETY PRECAUTIONS
.