× 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: Toyota fuel trim question
Posted to Technical Theory Forum on 11/11/2009 5 Replies

OK, more accurate numbers this time,not from memory.

Engine warmed up,closed loop.

idle STFT#1 -8.7% LTFT#1 -.9% total FT #1 0.91

2500 rpm no load STFT#1 -.5% LTFT#1 6.9% total FT#1 1.07

cruise on road STFT#1 -4.8% LTFT#1 20% total FT#1 1.22

So,at id... Login to read more.

5 Replies Received (View Replies)