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P0121 Diagnostic Trouble Code Discussion for November 2013

Throttle Position Sensor Does Not Agree With MAP

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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2001 Volvo V70 X/C 2.4L Surge, Cuts out, Stall VIN: YV1SZ58D11
P0121: 904C Reconfiguration emission system or TP sensor 1 and 2. ... says the Volvo dealer has replaced the turbo air inlet pipe and one other pipe (didn't know which one) that was cracked. The problem that I have is upon deceleration just as you are about to come to a stop the RPM will drop down, the vehicle will kind of s...
November 13, 2013
2007 Pontiac G6 2.4L Poor Idle Quality VIN: 1G2ZG58B67
P0121: TP Sensor 1 Circuit Performance. ... the system p0121,and p0171 i have checked for vaccum leaks and have found none.aftter further investigation on line iwe decided too change the throttle body for these codes after doing so the idle has been stuck over 2300 rpm everytime i start the vehicle....
November 29, 2013