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P0121 Diagnostic Trouble Code Discussion for June 2009

Throttle Position Sensor Does Not Agree With MAP

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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2000 Volkswagen Cabrio GLS 2.0L No Start, Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 3VWDC21V2Y
P0121: throttle position sensor implausible signal. This car intermittantly dies. Once it's acting up it runs terrible and the second you touch the throttle it stumbles and dies. Did a bunch of work to it, see above, when customer left car died about ten miles away. Towed in with a throttle sensor code, tried a...
June 24, 2009