× 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

P0170 Diagnostic Trouble Code Discussion for April 2005

Fuel Trim Lean Or Rich (Bank 1)

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 P0170
Help Request Posted
1997 Kia Sephia GS 1.8L Poor Idle Quality, Cuts out, MIL Lamp on VIN: KNAFA125XV
P0170: Fuel System Too Rich or Too Lean (Bank 1). after engine reaches operating temp,and coming to a stop,the idle drops low and stalls intermitantly,the short term fuel trim for bank 1 is -6 to -16 at times at idle,i can create a vacuum leak and the fuel trim tries to return to normal
April 05, 2005
2000 Mercedes-Benz CLK320 3.2L Hesitation, Surge, Cuts out, MIL Lamp on VIN: WDBLJ65G5Y
P0170: fuel trim bank 1 lean. Vehicle sets lean codes intermittently and customer complains of hard stumble and lack of power. Fortunately vehicle acted up with a fuel pressure gauge attached pressure was @ 20psi (tested when ok- 55psi- volume pumps 1 gal in 50 seconds released through fue...
April 07, 2005