Engine Emission Control

Diagnostics in this information assume a certain skill level and knowledge of Ford-specific diagnostic practices. For information about these,

REFER to: DIAGNOSTIC METHODS .

For PCM  DTCs

REFER to: ELECTRONIC ENGINE CONTROLS - PLUG-IN HYBRID ELECTRIC VEHICLE (PHEV) .

For driveability symptoms without DTCs, Refer to ENGINE CONTROLS - SYMPTOM CHARTS (HYBRID) .