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2001 Toyota Highlander 3.0L Excessive Emissions, Misfire
I've dealt with this code on Toyotas before, this engine utilizes air/fuel sensors, not o2 sensors, but what puzzles me is why the lean codes when the engine is obviously running rich? I mean it has black sooty plugs that were replaced a week ago and already h...
FIX posted 1/11/2010
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Related Documents & Media | VIN | JTEHF21A91 |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Misfire |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P1130 | Oxygen Sensor (Bank 1 Sensor 1) Low Signal Variance |
Message Closed w/FIX
Vehicle Data
2001 Toyota Highlander
| VIN | JTEHF21A91 |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Misfire |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P1130 | Oxygen Sensor (Bank 1 Sensor 1) Low Signal Variance |
Video