Visual Check
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 the following, and make all necessary repairs before continuing with QUICK TEST:
- Inspect air cleaner and inlet ducts.
- Check all engine vacuum hoses for damage, bends, leaks, cracks, kinks or improper routing.
- Inspect system wiring harness for proper connections, bent or broken terminals, corrosion, loose wires and proper routing.
- Check Powertrain Control Module (PCM), sensors and actuators for physical damage.
- Check engine coolant for proper level and mixture.
- Check transmission fluid level and quality.