2003 MAZDA TRIBUTE
180,000 MILES
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ANONYMOUS
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My heater is only warm at 50mph or more otherwise it blow cold air. The gauge show normal operating temperature. When it's under 50mph or idling nothing but cold air comes through the vents....why? How can I repair it?
Nov 4, 2012 at 3:12 AM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
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the heater core may be clogged
Roy
Nov 4, 2012 at 3:15 AM
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PYASGER2
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thermostat should be checked
Nov 4, 2012 at 3:24 AM