Chrysler Town & Country 2002 P0121 code meaning

Question

getting this code just today after frequent stalls in idle, then cleaning throttle plate and accelerating to clean out system

Answer 1

The P0121 code is triggered when sensor input voltage does not fall within a valid range based on engine speed and load.

Check the throttle position sensor adjustment, if the sensor adjustment is OK then you may have to replaced the the throttle position sensor.

https://www.autocodes.com/p0121.html