Idle & Fuel Delivery - Fuel, Air & Emission Symptoms
Common symptoms and diagnostic guides.
Car runs poorly after long idle
A car that runs poorly after extended idling often has issues with air?fuel balance, ignition, or sensors causing rough running, misfires, or stalls. Common causes include vacuum leaks, dirty components, and sensor failures.
Car movement choppy after short wait
Experiencing choppy car movement after a short wait? This could indicate engine issues such as a vacuum leak or dirty spark plugs. Learn more about potential causes and solutions.