Fuel Delivery / Ignition / Air Intake - Fuel, Air & Emission Symptoms
Common symptoms and diagnostic guides.
Sudden hesitation feels odd
Sudden hesitation during acceleration often stems from fuel, air, or ignition system issues and can indicate anything from sensor faults to clogged components.
Car sometimes hesitates then jolts
Intermittent hesitation followed by a jolt during acceleration often stems from fuel delivery, ignition, or sensor issues. Diagnosing includes scanning for codes and checking key engine systems.