Some Ford Taurus owners report experiencing a complete loss of power while driving, particularly at low idling speeds or during braking, which may indicate issues with the alternator or the drive-by-wire throttle body. Additionally, a defective or dirty mass air flow sensor (MAF) has been linked to problems such as uneven engine running, misfires, and poor exhaust emissions. Some owners also note that issues with the idle air bypass valve can contribute to engine performance problems, including loss of power. Furthermore, a bad diode in the alternator has been identified as a potential cause of complete electrical failure, leading to a loss of power in the vehicle. It is recommended that owners experiencing these issues consult a qualified mechanic for diagnosis and resolution.
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