1999 Toyota 4Runner SR5 3.4L MIL Lamp on
first time it came in with p0171 found vacuum hose to intake resonator unplugged. cleared code and came back after 3day.... checked air induction pipes some loose tighten and cleaned maf sensor. long term fuel trim is at -7 and maf grams /sec is at 3.8. thanks...
FIX posted 2/27/2013
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Message Closed w/FIX
Vehicle Data1999 Toyota 4Runner SR5
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1999 Toyota 4Runner SR5
VIN | JT3GN86R2X |
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) |