× 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: A good way to test a GM MAF sensor (#19112573)
Posted to Technical Theory Forum on 5/31/2017 1 Reply

[...trimmed text...]

Robert, your fuel trims that you captured do not support a vacuum leak. Looking for a vacuum leak is a waste of time, when your trims are correct at idle. A vacuum leak has to be huge to effect the e... Login to read more.

1 Replies Received (View Replies)