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Home › Ford › 2021 › F-150 SSV, 5.0L Eng VIN 5, 4WD › Repair and Diagnosis › Engine Performance › Engine Control Systems › Electronic Engine Controls - 5.0L 32V Ti-VCT › Diagnosis And Testing › Powertrain Control Module (PCM) Input and Output Controls › Symptom Chart

Symptom Chart

Symptom Possible Sources Action
The engine diesels/runs on. Refer to the pinpoint test. GO to Pinpoint Test B 
The engine runs rough. Refer to the pinpoint test. GO to Pinpoint Test C 
Intermittent concerns. Refer to the pinpoint test. GO to Pinpoint Test Z 
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