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P0121 Diagnostic Trouble Code Discussion for February 2008

Throttle Position Sensor Does Not Agree With MAP

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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2001 Dodge Durango SLT 4.7L MIL Lamp on, RPM FLARE/shift prob VIN: 1B4HS28N21
P0121: Throttle Position Sensor Does Not Agree With MAP. ... first just appeared to be a slight and intermittent rpm flare (300 rpm or so) while cruising. I was not hauling anything and the problem really could not be felt...I would just catch a glimpse of the rpm change if I was looking at the tach. The flare would...
February 18, 2008
2002 Mercedes-Benz ML320 3.2L Hesitation, MIL Lamp on VIN: 4JGAB54E92
P0121: APP implausable Signal Between APP sig1 n Sig 2. Lookn for a lil direction from the Benz guys. This ML has an intermittant PO121 PO20CF APP implausable SIgnal between sensor 1 and sensor 2. The code is very intermittant maybe 1 out of 30 drive cycles it will set causing hesitation and no throttle response fr...
February 29, 2008