Description of defect

On some prime movers, the magnets of the torque motor of the electronically controlled throttle valve (ETV) may peel off due to an inadequate fixing method.
In addition, the idle speed of the prime mover may become unstable and the engine may stall in rare cases, but it is possible to restart the engine.

Improvement details

Replace the ETV with a countermeasure.

Chassis number of target vehicles

Lancer Cedia

CS2A-0000013〜CS2A-0016106
CS2A-0100005〜CS2A-0303878
CS5A-0000019〜CS5A-0005100
CS5A-0100003〜CS5A-0301246
CS5W-0000201〜CS5W-0021196
CS5W-0200201〜CS5W-0315908

Automotive maintenance cannot determine the cause based on symptoms alone.
Be sure to perform diagnosis and inspection before determining the cause of the failure.