× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 1999 Chevy Pickup Idle Surge
Posted to Technical Discussion Forum on 6/26/2006

I would first check for calibration updates. [[...]]

The data provided indicates the PCM felt the engine RPM dipped low. The PCM appears to be in command of the IAC as indicated by the gradual decrease in engine RPM mirroring the d... Login to read more.

Files Referenced:

thumbnail