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  1. M

    Cranks and cranks and cranks then finally starts

    And the winner is, drumroll please, COOLANT TEMPERATURE SENSOR!!! The indication from the temperature gauge (180 degrees before turning the engine over when cold) was my best clue. As it turns out, this sensor is a NTC (negative temperature coefficient) type, which means that a low temperature...
  2. M

    Cranks and cranks and cranks then finally starts

    I've already checked fuel pressure with new fuel pump installed. Pressure is good. I've already changed spark plugs, fuel filter, entire fuel pump, battery (only holding 12.1 volts, needed a new battery anyway) and CPS. Still no resolution to the problem and I'm into it for almost $400 (not...
  3. M

    Cranks and cranks and cranks then finally starts

    Here’s the problem with my ’04 Grand Cherokee SE 4.0L: About a month or so ago it started getting difficult to start. Instead of firing immediately, it would turn over half a dozen or more cranks before firing. Then last Tuesday it wouldn’t start at all. That day I replaced the plugs, checked...
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