Temp gauge stopped working
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  1. #1
    Join Date
    Sep 2011

    Default Temp gauge stopped working

    Today i was driving around in this summer heat, car seems to be running fine. Then later on the afternoon the temperature gauge dropped to cold when obviously the car has already been running all day. I made it home, no dramas. is there a risk of my car overheating?


  2. #2
    1000+ Posts The Gonz's Avatar
    Join Date
    Oct 2002


    If your guage is no longer indicating the temperature, the risk is that it might without your knowledge. I'd check electrical connections first and then if necessary post details of your car so that members with specific knowledge can contribute to your problem.

  3. #3
    Demannu-facturing! Demannu's Avatar
    Join Date
    Dec 2002
    Menzies Creek


    Yes, it definately could be an electrical problem. But it could be a couple of other things too:

    1. Coolant leak somewhere. If the coolant level is too low to immerse the sensor, the result can often be a low temperature reading. All too many times I have seen the results of people driving a car that was 'getting hotter and hotter' and then suddenly went cold - so they thought all was well again. Engine was actually cooked.

    2. Thermostat may have jammed open, meaning that the car actually is running cold. Not a good thing, because it doesn't have to jam far open to run cold during normal use - but then it won't open any wider when you're on a big hill or on a hot day, and then it will overheat.

    Just some things to look out for.

    Melbourne - Dandenong Ranges

    1956 Peugeot 403 - 'Francois' - resto project

    1969 Peugeot 504 - 'Pascal' - daily driver project

    1970 Peugeot 404 Utility - 'Brutus' - resto project

    1978 Peugeot 604 - as yet unnamed - V6 on straight LPG

    1987 Peugeot 505 - as yet unnamed - project car

    1999 Peugeot 406 Coupé - 'Chloe' - 5 speed manual

    2011 Peugeot 3008 XTE HDi - 'Zoe' - hatchback on steroids

    2014 Peugeot RCZ - 'Remy'

    1999 Range Rover 4.6 HSE - 'Grover' - tow car

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