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  • Normal Operating Temps 4Cyl

    Hey guys just wondering from all the 4cyl guys what temperature they normally run with and without the A/C. Mine seems to run around 110 to 130 without a/c. With a/c 110 to 160 and seems to heat up while at a light. I am thinking the thermostat my be sticking a little but wanted to confirm before having it looked at.

  • #2
    well I don't have the AC option but my 4cyl lives at 210...

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    • #3
      Keep in mind I have a YJ w/ no a/c (but a 4 cylinder), and I run right about 210.

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      • #4
        Sounds like I am in the ball park so guess I will worry about that later

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        • #5
          110-160 is running very very cold. Your engine is not warming up to operating temp, which should be between 190-210. If the warmest you get is 160, your engine's computer is never operating in "warmed up" mode, and is always operating in "cold" mode and you're probably burning more fuel than necessary, which not only wastes money, but you could be fouling plugs and poisoning your cat.

          Others, please correct me if I am wrong...

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          • #6
            agree with jeepis

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            • #7
              temp

              Every jeep I've owned has always held a steady 200-210.

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