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2003 Ford Focus SE 2.3L MIL Lamp on
This ford is coming in with a P0171, Before I begin, This is a 2.3l DOHC engine with electronic egr valve. I smoke tested the system and found no leaks when cold. Spray carb cleaner all around intake and did not notice any short trim change during open (engine... Summary posted 2/21/2012 12 Replies Received (View Replies)12 Replies Received (Hide Replies)
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12 Replies Received
12 Replies Received
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Vehicle Data| VIN | 1FAFP34Z83 |
| Engine | 2.3 L / 4 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) |
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