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1999 Toyota Tacoma DLX 3.4L MIL Lamp on
Posted to Asian Driveability on 3/2/2004 11 Replies

this tacoma is having a problem with po171 lean bank one code. it idles good, but on snap throttle test for o2s it will ping. it also pings under load. the code sets when long term fuel trim goes 25+ or_- of 0. while driving under moderate load i've seen +34! ...

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  Related Documents & Media  1999 Toyota Tacoma DLX

 
Message Closed w/FIX

car Vehicle Data

1999 Toyota Tacoma DLX

VIN JHTA493X7N
Engine3.4 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Hot, Under Load, on Accel, After a Hot Soak
Misc.Sr5 Ex Cab

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

1999 Toyota Tacoma DLX

VIN JHTA493X7N
Engine3.4 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Hot, Under Load, on Accel, After a Hot Soak
Misc.Sr5 Ex Cab

Trouble Codes

P0171Fuel System Too Lean (Bank 1)