Diagnostic Methods Overview

1999 Ford Econoline E350 1 Ton V10-6.8L VIN SSECTION Diagnostic Methods Overview
OVERVIEW

The Diagnostic Methods provide information on routine diagnostic tasks.

When following powertrain diagnostics on OBD II vehicles, the system may be checked by an off-board tester referred to as a scan tool. This contains information for performing diagnostics with the New Generation Star Tester and a generic scan tool. A generic scan tool has a capability that is standard across the automotive industry in the United States. If a New Generation Star Tester is used, functions are selected from a menu.
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When to See a Mechanic

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

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