× 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: Contaminated MAF and Emissions
Posted to Technical Theory Forum on 4/19/2006 1 Reply

[...trimmed text...]

Yes.

MAF sensors have a hot wire/film and a thermister than can both get contaminated. The impact is different and opposite. A contaminated sensor usually underestimates at high airflow and over est... Login to read more.

1 Replies Received (View Replies)