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Home >> Ford >> 2023 >> Mustang Mach 1, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Charging And Controls - 5.0L 32V Ti-VCT (359KW 486PS) (WU) 5.0L Ti-VCT V8 (343KW 466PS) (MF) - Mustang >> Diagnosis And Testing >> Fuel Control >> Global Customer Symptom Code (GCSC) Chart

Global Customer Symptom Code (GCSC) Chart

Diagnostics in this Service Information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Symptom Action
Start/Run/Move > Starting > Hard Start/Long Crank > Always GO to Pinpoint Test DD 
Driving Performance > Poor Fuel Economy > Combined > Unloaded GO to Pinpoint Test DD 
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