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2012 Toyota Highlander 3.5L Poor Fuel Economy
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....
Summary posted 6/3/2022
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12 Replies Received
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Related Documents & Media | VIN | 5TDBK3EH3C |
| Engine | 3.5 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Message Closed w/Summary
Vehicle Data
2012 Toyota Highlander
| VIN | 5TDBK3EH3C |
| Engine | 3.5 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Video