Motoring: Why your car won't accelerate and what to look out for

If the catalytic converter is blocked, a car may struggle to accelerate which may lead to the emission of black smoke from the exhaust.

A sluggish response when you press the accelerator can be frustrating and worrisome.

Several factors could be responsible for poor acceleration, and many of them are related to engine components that manage airflow, fuel delivery, and combustion. This week on Motoring, we delve into some common causes and what you can do about them.