× 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: E90 335i Stalls Randomly
Posted to Technical Discussion Forum on 1/3/2019

If the pressure sensor reads higher than actual (which is the normal failure mode of that sensor) then it will reduce the duty cycle of the fuel pump to try and get the fuel pressure it wants. That will starve the HPFP and you get low power or stalling. Login to read more.