heater is blowing outside air only

1997 FORD F-150
180,000 MILES
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GUERRERO1411
  • MEMBER
  • 1 POST
i can smell the engine blowing in the vents when the heater is on but the air is whatever the temperature is outside
Dec 8, 2011 at 3:56 AM
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DRCRANKNWRENCH1
  • ✓ASE Certified Mechanic
  • 3,435 POSTS
  • ASE Certified Mechanic
The cable for the fresh air vent box door has probably come loose. Look at the right side under the dash and the box above the blower motor all the way right will have a cable that opens and closes the door. This chooses between fresh air and re-circulated air.
Dec 8, 2011 at 4:02 AM
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