× 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: 2001 E250 4.2 liter fuel trims
Posted to Technical Discussion Forum on 1/14/2014

hey William

fuel pump and maf connector, check the voltage coming into the maf first, make sure that wire has correct voltage, then change the connector, fuel pump and filter.

Robert Login to read more.