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1997 Toyota 4Runner Limited 3.4L MIL Lamp on
We have a high mileage 4Runner throwing P0171 - lean fuel trim. Customer has been battling this problem for awhile now. checked fuel pressure 47psi at idle, spec shows 34-45 psi. 18 in vacuum at idle, plugs, wires, fuel injectors, MAF (oem), O2 sensors, al...
Summary posted 9/20/2018
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23 Replies Received
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Related Documents & Media | VIN | JT3HN87R5V |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/Summary
Vehicle Data
1997 Toyota 4Runner Limited
| VIN | JT3HN87R5V |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video