× 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

P1090 Diagnostic Trouble Code Discussion for May 2013

Tumble Generator Valve System 1 (Valve Open)

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1090
Help Request Posted
2007 Porsche 911 Turbo 3.6L Poor Idle Quality, Surge VIN: WP0AD29937
P1090: manufacturer specific. ... that is not at regular intervals but seems to get worse as engine warms up. Original code pulled with Durametric(I know its not a good scanner but its what the shop owner bought us) was a 1010 HFM electrical fault. This engine has 2 AFM's , one for each ba...
May 01, 2013