Trouble Ticket Help Requests for DTC P0121
|2004 Chevrolet Epica LS 2.5L Poor Idle Quality, Stall VIN: KL1VB52L44
P0121: Throttle position A circuit range/performance. ... looking into this Epica for high idle issues and occasional stalling. I drove the car and noticed that as soon as it was put in gear the idle would jump to about 1300-1400 RPM. It also bumps the Rpms on decel at the trans shift points. Put the car back in ...
|May 13, 2015|
|2002 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GX48S42
P0121: Throttle Position Sensor Performance. Ok, This Jeep came into the shop with a complaint of hesitation, cruise not working and mil on. Pulled the codes and started testing tps. Looking on IATN, I found that there were numerous posts about the clock spring. I checked and sure enough, I had 5 volts o...
|May 27, 2015|