When the truck is cold I have a rough idle, driving at normal speed its ok but lacks power when needed?. Created by david-l. Cars & Trucks - Chevrolet - TrailBlazer - 2003 Chevrolet TrailBlazer

Idle air control sensor or either mass air flow could be bad or going out.

Rough idle when cold

February 2021 1 31 Report

Rough idle when cold

When the truck is cold I have a rough idle, driving at normal speed its ok but lacks power when needed?

Cars & Trucks - Chevrolet - TrailBlazer - 2003 Chevrolet TrailBlazer