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Home >> Honda >> 2017 >> Ridgeline RTL, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System / Engine Mechanical - Testing & Troubleshooting >> Symptom Troubleshooting Index for Viewer >> After warming up, idle speed is below specifications without load (MIL works OK, no DTCs set)

After warming up, idle speed is below specifications without load (MIL works OK, no DTCs set)

Diagnostic procedure 

Also check for

Incorrect valve timing or clearance adjustment