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1999 Toyota Tacoma DLX 3.4L MIL Lamp on
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! ...
FIX posted 3/3/2004
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Message Closed w/FIX
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11 Replies Received
11 Replies Received
Related Documents & Media | VIN | JHTA493X7N |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, Hot, Under Load, on Accel, After a Hot Soak |
| Misc. | Sr5 Ex Cab |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
1999 Toyota Tacoma DLX
| VIN | JHTA493X7N |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, Hot, Under Load, on Accel, After a Hot Soak |
| Misc. | Sr5 Ex Cab |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video