2000 Toyota 4Runner Limited 3.4L MIL Lamp on
this 4runner just lacks power. po171 present. the long term fuel trim is at 39 in freeze frame. no vac leaks, fuel pressure is ok. I'm going to look at the mass air flow sensor real carefully tomorrow. Any ideas would be greatly appreciated.
FIX posted 2/27/2004
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Message Closed w/FIX
Vehicle Data2000 Toyota 4Runner Limited
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2000 Toyota 4Runner Limited
VIN | [No VIN Available] |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Under Load |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |