Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

2009Toyotoad · 06-10-2015, 12:23 AM

I'm fairly certain "some_other_dave" has the right idea on tracking this down. Start with the known issue first, the failing O2 sensor before moving on the fuel trim concerns.

06-10-2015, 12:23 AM	#5 (permalink)
2009Toyotoad 09 Toyo Yaris HB (Huevos) Join Date: May 2015 Location: Bay Area Calfornia Posts: 78 Thanks: 2 Thanked 13 Times in 9 Posts	I'm fairly certain "some_other_dave" has the right idea on tracking this down. Start with the known issue first, the failing O2 sensor before moving on the fuel trim concerns.