Question

code p1514 2003 trailblazer replaced with cleaned used tb and connector worked great for a week then again REP at low speed or stopping.

Answer 1

Hi there,

This code indicates an issue with the throttle actuator control. Here is some info for you.

P1514 CHEVROLET - Throttle Actuator Control System Mass Air Flow Performance

Read more: https://www.autocodes.com/p1514_chevrolet.html