dear sirs, I have a problem with my mitsubishi 2003. I experienced that rpm sometimes fall to about 200~300 and this cause the engine to shake. This looks like that ignition is failing but if you press the gas pedal the engine rpm increase and vibration will goes out. What I do is to stop the engine momentarily and then restart, this action will turn back the engine to normal. I have already replace the spark plug, high tension wire and the cam sensor. But the problem still sometimes appear. What could be the problem and remedy? thank you
It could be a dirty throttle body or even a crank angle sensor or 02 sensors.
Thank you sir, I'll try it one by one
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