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P0121 Diagnostic Trouble Code Discussion for January 2008

Throttle Position Sensor Does Not Agree With MAP

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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2005 Ford Expedition Limited 5.4L Cuts out VIN: 1FMFU20545
P0121: TP Sensor A circuit. ... month and a half ago for routine work and a complaint of occasional stalling on freeway.On first visit codes were P0104: MAF-VAF Circuit intermittent & P0121:TP Circuit TP sensor A circuit range or performance.No pro...
January 04, 2008
2001 Dodge Dakota 4.7L MIL Lamp on, Transmission Limp In VIN: 1B7HG2AH91
P0121: Throttle Position Sensor Does Not Agree With MAP. ... between the TPS sensor code P0121 and the vehicle speed sensor code P0500 on this vehicle? The trouble tree says if you have P0121 AND P0500 to diagnose P0500 first. This leads me to believe that a VSS problem could somehow set a false P0121. Mine does ...
January 25, 2008