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P1121 Diagnostic Trouble Code Discussion for November 2006

Electronic Throttle Control Actuator Malfunction

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Trouble Ticket Help Requests for DTC P1121
Help Request Posted
2002 Lexus GS300 3.0L Cuts out VIN: JTB53JSG0W
P1121: ETCS Accelerator Pedal Position Sensor Performance. ... that has acceleration problem, from time to time when driving the accelerator will cut off the engine will still running but no acceleration and VSC light & engine light will come on, if i off the engine and switch it on again everything will return no...
November 14, 2006