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  1. Maintenance and Repair
    I have a 97 taurus vulcan at 120k miles. Rpm will randomly jump to anywhere between 1000 and 2000, usually it jumps to about 1600 but it can be higher or lower. This is all while it's in park. It'll jump from regular of 800 to 900 to the above mentioned. In drive, if I let off the brake from a...
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