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  • Benz_300CE ·
    Hi, I have a question. The car just started idling high about 2 or 3 weeks ago and its constant (the temp doesn't seem to have an affect on it). I was wondering would this also have something to do with the car being hard to start as well? Would a vacuum leak have something to do with this?

    Today, I poured fuel system cleaner in it, and the idling slowed down some (almost back to normal), but the car was still choking when I was starting it.
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