Acura RSX Rough Idle? Fix it in 10 Minutes!

Is your Acura RSX idling rough or stalling at lights? In this DIY repair guide, we tackle the most common causes of unstable RPMs: a failing Idle Air Control Valve (IACV) and a leaking Throttle Body Gasket. Replacing these components is a critical maintenance step for the K20 engine (RSX Base & Type-S). If you are experiencing "idle surge" or "hunting idle," this step-by-step tutorial shows you how to perform the swap and perform an idle relearn using basic hand tools.