Auto Repair Q&A

Popular

Engine

Cooling System

Brakes

Suspension

Transmission

Exhaust/Emissions

Electrical

Body

Interior

Understand

Directory

Auto Repair Products

how to replace a idle air control on a 1997 honda civic


Hi, my name is Tim West. What

Hi, my name is Tim West. What size engine is this? May I ask why you want to replace the IAC? Here is how to adjust it: Electrically disconnect idle air control valve. Set idle to specified Setting speed. Remove HAZARD or BACKUP or CLOCK fuse for ten seconds, to reset ECM. Verify that idle is ATT Checking speed. Turn headlights and AC on separately to check Speed-up speeds. Check fast idle with engine cold. Canada models with Daytime Running Lights, pull up on hand brake to turn lights off. Note 395: Adjust idle as needed by turning idle speed screw 1/4 turn. Turn AC on and verify that speed has increased to specified AC Speed-Up value. Is this auto or manual transmission? If I need to, I will post more info for you on this.

Questionare