What Causes Shaking During Idle Start?

1 Answers
DiTessa
07/29/25 8:23am
Reasons for shaking during idle start: severe engine carbon buildup, issues with the ignition system, unstable oil pressure, aging engine components, etc. If the vehicle shakes during idle, it is recommended that the owner first perform an engine cleaning, replace the spark plugs, and check the fuel supply pressure. Shaking during first-gear starts is generally caused by excessive wear of the clutch pressure plate. Manual transmissions transmit power mainly through the clutch, where the clutch pressure plate is primarily responsible for transferring kinetic energy. The clutch pressure plate has a limited lifespan, and prolonged semi-engagement or the engine operating under excessive load for extended periods can accelerate the wear of the pressure plate.
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