LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2022 >> Mustang Mach 1 Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Fuel Charging And Controls - 2.3L ECOBOOST (231KW/314PS)/2.3L ECOBOOST (257KW/350PS) - Mi4) >> Diagnosis And Testing >> Air/Fuel Ratio >> Global Customer Symptom Code (GCSC) Chart

Global Customer Symptom Code (GCSC) Chart

WARNING: This page is about a different variant/trim than selected.

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

Symptom Action
Start/Run/Move > Running > Failed Emissions Testing > HEGO GO to Pinpoint Test DZ 
Start/Run/Move > Running > Failed Emissions Testing > HEGO GO to Pinpoint Test H 
Driving Performance > Runs Rough > All Running Modes > Always GO to Pinpoint Test H 
scientia non olet · About LEMON Manuals