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1999 Hyundai Sonata 2.4L MIL Lamp on
This car keeps resetting code P0171. We replaced fuel filter, O2 and did a MotorVac the first time in. Second time in we replaced ECT as it went open while car was in shop. The ltft goes to +16.4% any time the throttle is opened. The rest of the pid's look goo...
Summary posted 3/20/2003
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Message Closed w/Summary
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Related Documents & Media | VIN | KMHWF25S4X |
| Engine | 2.4 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/Summary
Vehicle Data
1999 Hyundai Sonata
| VIN | KMHWF25S4X |
| Engine | 2.4 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
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