Monster MotorsportEM Tuning
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  1. #1
    2nd Gear

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    Coolant temp sender is under-reading......

    only by about 5degC at the most e.g. the temp gauge reads 85 instead of 90. Could this cause any problems? I'm not experiencing any, but I just want to know is it a problem waiting to happen if left?

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  3. #2
    dummi's Avatar
    smoking a6

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    Mar 2004
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    brumingham
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    Re: Coolant temp sender is under-reading......

    mine does the same on cruising didn't during the first few weeks i owned when i was doing less cruising with it, sounds like normal what you have

  4. #3
    Khufu's Avatar
    6th Gear

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    Re: Coolant temp sender is under-reading......

    are you talking about the gauge on the dash compared to that of the Aircon readout? My Saab Tech of a brother say most modern cars average the temp out on the gauge so that is doesnt waver up and down when the fan comes on or under load unless it deviates by a large amount.

  5. #4
    Numptie of the highest order

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    Re: Coolant temp sender is under-reading......

    Khufu is correct, if you're looking at block 49 on the aircon this is the actual temp, 51 (and the dash display are averages) I tell you guys don't drive around looking at 49 as you will get scared about whether your car is working right - it varies A LOT and also in stop start traffic gets VERY hot before the fans come on!

 

 

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