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2012 Toyota Highlander 3.5L Poor Fuel Economy
Posted to Asian Driveability on 5/18/2022 12 Replies

Hello All Techs, I have this 2012 highlander that runs great but has codes p0172 and p0175. The Short term fuel trim for for bank 1 and 2 when first started are -21% and remain like that for about 20 min and then they drop down to /- 10 and the LTFT1 is 6....

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  Related Documents & Media  2012 Toyota Highlander

 
Message Closed w/Summary

car Vehicle Data

2012 Toyota Highlander

VIN 5TDBK3EH3C
Engine3.5 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
Message Closed w/Summary

car Vehicle Data

2012 Toyota Highlander

VIN 5TDBK3EH3C
Engine3.5 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy

Trouble Codes

P0172Fuel System Too Rich (Bank 1)