I have a 1994 Ford Bronco 5.0 with 170,000 miles on it. Whenever the vent, heater, defroster or AC is on there is a strong exhaust odor coming from the vents. I have checked the headers and pipes, and they seem fine. Any suggestions would be a huge help.
have the same problem?
Monday, August 27th, 2007 AT 3:42 PM