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P0221 Diagnostic Trouble Code Discussion for March 2010

Throttle Position Sensor 2 Circuit Performance

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Trouble Ticket Help Requests for DTC P0221
Help Request Posted
2001 Ford F-350 Super Duty XL 7.3L Cuts out, Stall VIN: 1FTSW31F71
P0221: Idle Validation/Throttle Switch 'B' Performance. ... We keep getting customer complaint of throttle going dead while driving, we keep getting p0221 ivs code. Now I have some questions for the ford techs as to the diagnostic flow chart (per alldata) that me and my lead tech are trying to understand. Starting ...
March 10, 2010