Question about 2003 Honda Civic

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Same as above

Overheats in stop and go traffic, only to 3/4 never full. Goes back to normal when driving. A/C in stop and go does not seem to make a difference either.

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  • jgrider68 Sep 09, 2009

    This is not normal it never did this before the car sat for 8 months with minimal driving to the store and back maybe 4 miles a month. The car runs great otherwise, I also had a number one plug carbon built up and foiled, how ever you spell it. I am wondering if the relay needs replaced? I had the water pump and new radiator replaced in Nov. I would love to keep this car it has been maintained very well tell this concern.

  • yadayada
    yadayada May 11, 2010

    has the radiator fan been tested? does it come on while overheat occurs?

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  • Honda Master
  • 4,348 Answers

This is a normal condition...Heating up without air flow across the radiator is a common physics based reality.

What counts is whether your fans cycle on and off. if so, that is totally okay. Stated another way, there is actually little effect that you could have on this situation, aside from modifying something, but why do that, it is designed to work that way..

Doc

Posted on Sep 09, 2009

  • Mike Sep 09, 2009

    Well, again what really counts is the fans. Are they cycling on and off? How long do they run and how long are they off, at what ambient temperature?



    A spark plug becoming fouled is not a good indication, How much oil does this car burn in how many miles?



    Doc

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