Some Lincoln Zephyr owners report experiencing engine shutdowns while braking at stops, accompanied by a charging station warning. These issues may stem from weak batteries, faulty alternators, or wiring problems that lead to power loss and stalling. Additionally, some owners have noted problems with the Engine Control Unit (ECU) affecting engine performance, as well as depressurization in the line connecting the intake manifold and vacuum brake booster, which can cause the engine to shut off during braking. Malfunctions in the start-stop system, potentially due to extreme temperatures or faulty sensors, have also been reported. Symptoms such as dim headlights, trouble starting the vehicle, and dashboard warning lights are common, along with stiff brakes that require more force to stop if there is a vacuum leak or failing brake booster. To address these concerns, regular checks of the battery and electrical system are recommended, along with resetting the start-stop system and diagnosing any potential brake booster issues with a professional mechanic for safe and proper vehicle operation.
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