× 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: Low Engine Vacuum
Posted to Technical Discussion Forum on 4/10/2026

In addition to all the other suggestions, I would measure the voltage on the MAF "ground" wire at the sensor.

Also, what does the MAF PID indicate KOEO? Login to read more.