See also:

On-board diagnostics (OBD-II)
Your vehicle is equipped with a computer that monitors the engine’s emission control system. This system is commonly known as the on-board diagnostics system (OBD-II). The OBD-II system protects t ...

Troubleshooting
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Recycled engine coolant
Ford Motor Company does NOT recommend the use of recycled engine coolant since a Ford-approved recycling process is not yet available. Used engine coolant should be disposed of in an appropriate ...