Mitsubishi LANCER 1.5 4A91 engine throttle cleaning. how to clean throttle
The throttle eventually fills with dirt inside. This leads to twitching and jerking of the car when driving. The throttle is easy to clean. Will need carb cleaner or throttle cleaner. In the cylinder. Useful sticks for cleaning ears. First I cleaned the valve in the closed position. Then connect the battery terminals. Turned on the ignition. BUT DO NOT START THE ENGINE. And fix the accelerator pedal, you can put something heavy. The damper is opened and it can be cleaned even better.
After this procedure, the first clock - idle speed will be elevated. But after a few trips, the car itself adapts and they'll be back to normal