How do I repair a p0121 on my 98 jeepwrangler

Question

can you tell me how to repair a p0121 for my 1998 jeep wrangler sport.

Answer 1

HI there,

This code is for the throttle position sensor. Most of the time the sensor itself is the cause of the issue and once replaced the code will clear on it's own. The wiring from the sensor to the computer should also be checked for any chaffing where it might contact the block.