Fuel Delivery & Ignition - Fuel, Air & Emission Symptoms
Common symptoms and diagnostic guides.
Car runs worse at night
Experiencing worse engine performance at night can stem from air?fuel imbalance, ignition issues, or cold temperature effects that impact fuel vaporization and combustion efficiency.
Car feels lazy when I hit gas
Sluggish acceleration when pressing the gas is typically caused by fuel, ignition, airflow, or transmission issues and can range from minor maintenance to serious safety concerns.