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P0221 Diagnostic Trouble Code Discussion for April 2011

Throttle Position Sensor 2 Circuit Performance

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Trouble Ticket Help Requests for DTC P0221
Help Request Posted
2002 Mercedes-Benz S500 5.0L MIL Lamp on VIN: WDBNG75J02
P0221: Accelerator. Test Exhaust Back Pressure Pass,Vehicle Contune to set Catalytic Efficiency dtc along with accelerate dtc any sugestions,fuel trim pass test,tested the mass air flow both at idle and WOT thank you
April 19, 2011