The gas mileage was the first symptom and has steadily decreased over the last several months. Before we replaced the alternator, the car would sometimes not let us shift into drive from park without revving the engine and the rpms were falling. Since we replaced that, (and the fuel pump), the car would start fine for a few months, but the gas mileage never went back up. Recently, it has started shutting off while changing into drive from reverse only. Just curious and frustrated! Thank you!
My car has an automatic transmission.
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