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P0121 Diagnostic Trouble Code Discussion for December 2009

Throttle Position Sensor Does Not Agree With MAP

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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2003 Dodge Ram 1500 SLT 4.7L No Start, Hesitation, Stall, MIL Lamp on VIN: 1D7HU18N13
P0121: TP sensor. ... intermittently,hesitates just off idle.Road tested,Varified concern,Scan codes,P0121.Lab scope TP,no glitches.Replaced TP,No change.Checked fuel pressure 50 psi.Scan data.Did notice STFT -32,LTFT -32 at idle intermittently.Cleaned T-body and IAC bore.Check...
December 14, 2009