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This is a 94 car. After my car engine has heated up, (not just when the engine initially heats up from being off for a long time)but say like driving 20 miles on open road, when decelerating the engine will lower the initial RPM

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Suzanne Grego, Technician at City of Philadelphia Fleet Management Diane, Without actually experiencing this sort of problem, it would be hard to guess what is the cause. This is an older vehicle, but it

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