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P0221 Diagnostic Trouble Code Discussion for November 2008

Throttle Position Sensor 2 Circuit Performance

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Trouble Ticket Help Requests for DTC P0221
Help Request Posted
2001 Mercedes-Benz S430 4.3L No Start, Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: WDBNG70J71
P0221: Throttle/PPS switch B ckt range/performance. ... MIL. Vehicle lost power, shut off car and waited 15 minutes. Restarted car and would run & die, or idle rough & die. Got running after cooling off, drove to shop. Acted like it could have a bad CKP sensor but with no CKP codes. MIL on but no ESP li...
November 17, 2008