LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2019 >> RLX Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System / Engine Mechanical - Service, Testing & Troubleshooting (Except Hybrid) >> Symptom Troubleshooting Index For Viewer >> Cold fast idle too high (MIL works OK, no DTCs set) (KA/KC model)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Cold fast idle too high (MIL works OK, no DTCs set) (KA/KC model)

Diagnostic procedure

Also check for

Intake air leaks