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  1. L

    3.7 misfire problem strikes again

    I would also like to mention that the last time I had my heater core flushed professionally the same symptoms came up and all they did to fix it was blow off the coil pack to dry it out.
  2. L

    3.7 misfire problem strikes again

    I flushed my heater core at home(probably a bad idea but a guy needs heat) and it got some of the coil packs wet on my 2003 Jeep Liberty. It ran fine for a couple hours but then it started to misfire. If I attempted to go above 2500 or so rpm the engine would cut out until I released the...

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