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P2121 Diagnostic Trouble Code Discussion for June 2013

Accelerator Pedal Position Sensor 1 Performance

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Trouble Ticket Help Requests for DTC P2121
Help Request Posted
2003 Lexus IS300 3.0L Hesitation, MIL Lamp on VIN: JTHBD192X3
P2121: Throttle Pedal Position Sensor/Switch 'D' Circuit Malfunction. hey guys got this lexus in here with some kind of problem with the electronic throttle. it has these 2 codes stored that come back very quickly after clearing. vehicle idles fine, but there is no response from accelerator at rest to about 40%, then finally res...
June 07, 2013
2007 Ford Explorer XLT 4.0L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1FMEU73EX7
P2121: Throttle pdl position sensor/switch d range performance. ... THROTTLE PDL POSITION SENSOR/SWITCH E CIRCUIT LOW. THIS ONE WOULD NOT FIT IN THE CODE DESCRIPTION P2132 Customer had issues with throttle not responding, vehicle would cut out to idle, then sometimes stall. Vehicle went to F...
June 28, 2013