I own a Fiesta Zetec 1.25, T reg. I drive for about 4...

Question

I own a Fiesta Zetec 1.25, T reg. I drive for about 4~5 miles and the heater gauges on the dash board goes up to the red mark. When I go around 4k rev's the temperature gauge goes back to the middle point. I then drive for a while and the temperature gauge goes back upto the red mark. The temperature gauge again comes back down once I approach 4k rev's. The fan operates. What can be the problem? Thanks.


Answer

This could be the heater control valve, or thermostat. try to bypass the heater valve first then recheck

Asked on 16 Jul 2008


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