Close

Q: high idle on 1990 Chevrolet S10 Blazer

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
i have a 4.3 liter,high idle when it first starts then after it calms down it idles rough just wonder what options could cause this
(1) Answer
(1) Comments
Idle control valve, vacuum leak, air intake leak, Manifold Absolute Pressure (MAP) sensor...

Those are places I would begin looking...