If you smell gas coming out of the vents when you turn on the heater in your 1997 Ford Contour, it could indicate a fuel leak or an issue with the fuel system. This might be due to a failing fuel line, a damaged fuel injector, or exhaust gases entering the cabin. It's important to address this immediately, as it poses a safety hazard. Have a qualified mechanic inspect the vehicle to diagnose and fix the problem.
bad heater core bad heater core
heater core
you need a new heater core
Generally, with that smell- the heater core has gone bad.
Most of the time it is caused by a hole in the heater core, do you smell a sweet smell? The sweet smell would be the antifreeze.
your heater core is leaking anitfreeze! heatercoreleaks antifreeze into the heater & ac vents causing a burnt spell & oily film on the front window.
If there is the smell of anti-freeze, you're almost sure to be replacing the heater core.See "Related Questions" below for more
More than likely the heater core is leaking.
You have either a cracked heater core or bad heater hoses that are allowing antifreeze to enter into the vehicle............
A sweet smell indicates engine coolant. It you can't see any leaking from the hoses in the engine compartment, it's probably the heater core. With the smell coming from the vents too, it's most likely the heater core, but rule out easy fixes first.
smoky mist coming from the heater vents.
The most common signs of a heater core problem is either leaking antifreeze or a mist coming from the air vents. There will also be a sickly sweet smell in most cases.