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Home >> Ford >> 2021 >> Mustang Mach 1 Premium, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System - 5.0L 32V Ti-VCT (359KW/486PS) (WU)/5.0L Ti-VCT V8 (343KW/466PS) (MF) >> Diagnosis And Testing >> Exhaust System >> Global Customer Symptom Code (GCSC) Chart

Global Customer Symptom Code (GCSC) Chart

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

Global Customer Symptom Code Chart 

Customer Symptom Action
Fit/Finish/Body > Paint/Finish > Exhaust > Corrosion/Rust GO to Pinpoint Test C 
Start/Run/Move > Noise > Exhaust > Always GO to Pinpoint Test D 
Driving Performance > Lack/Loss of Power > Acceleration > Always GO to Pinpoint Test A 
Safe and Secure > Smoke/Odor > Exhaust > Hot GO to Pinpoint Test B 
Runs Rough > Hesitates/Stumble > Acceleration GO to Pinpoint Test RB