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Home >> Ford >> 2021 >> Mustang Mach 1, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Evaporative Emissions - 5.0L 32V Ti-VCT (359KW/486PS) (WU)/5.0L Ti-VCT V8 (343KW/466PS) (MF) >> Diagnosis And Testing >> Evaporative Emissions >> Global Customer Symptom Code (GCSC) Chart

Global Customer Symptom Code (GCSC) Chart

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

Global Customer Symptom Code Chart 

Customer Symptom Action
Driving Performance > Idle Quality > Rough > Always GO to Pinpoint Test HX 
Driving Performance > Stalls/Quits > At Idle > Always GO to Pinpoint Test HX 
Driving Performance > Engine Surge > At Idle > Always GO to Pinpoint Test HX 
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