How to solve the RPM up-down problem fix

6 Reasons Your Engine Revs Up and Down at Idle | RPM Fluctuations While Car is Parked

Under the Hood Basics! Learn About the Stuff Under Your Car's Hood!

Как БЫСТРО и ЛЕГКО проверить КАТАЛИЗАТОР автомобиля

Should you clean your Throttle Body and How to clean it on Toyotas

How to Fix a Car that Idles Poorly (Rough Idle)

Spark Plug Replacement DIY (the ULTIMATE Guide)

Engine Sensors - Basics. 3D Animation

How a Manual Transmission and Clutch Works

Corolla 03, 04, 05, 06, 07 idling too high // How to correct air control sensor (DIY)

How to do a Complete Brake Flush and Bleed