
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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Message Closed w/FIX
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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 |