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P1221 Diagnostic Trouble Code Discussion for November 2009

TP Sensor 2 Signal Correlation


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Trouble Ticket Help Requests for DTC P1221
Help Request Posted
2002 Honda Passport LX 3.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 4S6CK58W32
P1221: Throttle Position Sensor 1-2 Circuit Performance. I am getting these four codes and sometimes a check engine light and a performance light. I have found the problem to be in the wiring harness just between the computer and the left valve cover when I wiggle the wiring in a certain way. Before I cut into the h...
November 19, 2009
2002 Honda Passport LX 3.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 4S6CK58W32
P1221: Throttle Position Sensor 1-2 Circuit Performance. I am getting these four codes and sometimes a check engine light and a performance light. I have found the problem to be in the wiring harness just between the computer and the left valve cover when I wiggle the wiring in a certain way. Before I cut into the h...
November 19, 2009