
2001 Toyota 4Runner SR5 3.4L MIL Lamp on
This code says that the system requires too much fuel enrichment - system running too lean. The code tree led us to replace air/fuel ratio sensor. (oxygen sensor) We have checked fuel pressure and inspected for possible vacuum leaks. Vehicle runs well. The cod...
FIX posted 9/22/2005
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Message Closed w/FIX
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VIN | JT3HN86R61 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / PORT FUEL INJECTION |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Misc. | 8/00 Production Date |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
2001 Toyota 4Runner SR5
VIN | JT3HN86R61 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / PORT FUEL INJECTION |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Misc. | 8/00 Production Date |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |