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What causes the P0174 code to appear in a Ford Explorer?
The P0174 code in a Ford Explorer indicates that the engine is running too lean, specifically on bank 2. This means that there is too much air and not enough fuel in the air-fuel mixture for the cylinders on one side of the engine. The possible causes for the P0174 code in a Ford Explorer include: a. Vacuum leaks in the intake system or around the intake manifold b. A faulty mass airflow (MAF) sensor or manifold absolute pressure (MAP) sensor c. Dirty or clogged fuel injectors d. A weak or failing fuel pump e. A clogged fuel filter f. An exhaust leak upstream of the oxygen sensor To fix the P0174 code, a detailed diagnosis should be conducted to pinpoint the exact cause, which may involve inspecting the intake system for vacuum leaks, evaluating the MAF and MAP sensors, checking the fuel injectors, fuel pump, and fuel filter, and looking for exhaust leaks.
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