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P0121 Diagnostic Trouble Code Discussion for June 2007

Throttle Position Sensor Does Not Agree With MAP

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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2002 Toyota Camry SE 2.4L Misfire, no throttle response VIN: 4T1PE32K12
P0121: TP Sensor or TP Switch 'A' Range/Performance. No throttle control and misfire on cylinder #1 and 4 Losing ground pulse at computer. Starts out with a ground and then stops shortly after high idle. within 10 seconds. I am at my wits end with this one. Any help would be greatly appreciated
June 15, 2007
1997 Chevrolet Lumina 3.1L No Start, Poor Idle Quality, Misfire VIN: 2G1WL52M7V
P0121: TP Sensor Performance. This car came to me on a hook. Customer stated that on his way down the highway, he experienced a couple of "bucks" acting like a misfire. It eventually lost power and stalled out. After it sat here for a few days till I could look at it, it started ve...
June 27, 2007