Using Scan Tool

1998 Mercury Villager GS, Van CargoSECTION Using Scan Tool
  1. Ensure NGS scan tool is properly connected. Select vehicle and engine selection menu (optional). Select year, engine, model and any additional information requested by scan tool.
  2. Follow operating instructions from scan tool menu. Select GENERIC OBD-II FUNCTIONS. Press CONT button if monitors are not complete.
  3. Turn ignition on. Select CLEAR DIAGNOSTIC TROUBLE CODES. Press START key. All codes should now be cleared from PCM memory. If problem has not been corrected or fault is still present, hard code will immediately be reset in PCM memory.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.