Why does my car have a problem accelerating?
Why does my car have a problem accelerating? A clogged air filter starves an engine of much-needed air, skewing the air/fuel mixture that affects acceleration. A failing or dirty mass air flow sensor (MAF), idle air control (IAC) valve or gummed up throttle body “butterfly” valve will also affect air flow into the engine, causing it to strain when accelerating. Why does my Dodge engine stall when I start the car? Other causes may be bad or worn out components in the ignition secondary system, causing the engine to accelerate poorly and even stall. These steps will help you inspect...