Idle Control & Air/Fuel Delivery - Fuel, Air & Emission Symptoms
Common symptoms and diagnostic guides.
Engine seems odd rolling stop
Engine feels rough, shaky, or unstable as the vehicle rolls to a stop, often due to air?fuel imbalance, ignition or vacuum issues.
Car feels uneven after short idle stop
An uneven or rough idle after stopping is usually due to air-fuel mixture, ignition, or vacuum issues causing misfires or unstable idle speed. This guide helps identify likely causes and how to diagnose them.