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1999 Toyota Tacoma DLX 3.4L Poor Fuel Economy, MIL Lamp on
This Tacoma will trigger the DTC light very soon after erasing the PO 172 code-system too rich. OBD 2 scaning shows the LTFT trying to lean out the system as much as 40% @ idle, and less as the load/throttle use increases. I am not able to find any information...
FIX posted 7/10/2003
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Message Closed w/FIX
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8 Replies Received
8 Replies Received
Related Documents & Media | VIN | 4TAWN72N3X |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Message Closed w/FIX
Vehicle Data
1999 Toyota Tacoma DLX
| VIN | 4TAWN72N3X |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
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