Best Answer

Check your coolant level first. Post your findings.

AnswerHeather core could be blocked or bad thermostat.

I have owned a 1990 for 7 years and my mom owns a 1992 (7 years too) and I just purchased a 1994 and every one of them have no heat. I gets warm in the winter but not hot.

I have changed the thermostat many times, flushed the rad, mom changed the heater core but we still have no heat.

I don't no if it's just the MPV or just our vans.

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โˆ™ 2010-05-31 22:38:16
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Q: Why would a 1994 Mazda MPV have no heat if the heater fan works?
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