Car Smells
Antifreeze and Engine Coolant
Chevy Cheyenne
Why would your car smell like burning inside when you turn on the heater or draw air through the vents?
Wiki User
October 02, 2010 9:37PM
Engine compartment gas leak. Repair immediately.
http://www.autozone.com/servlet/UiBroker?UseCase=S001&UserAction=viewSimpleDiagInfo&Parameters=info
**When this suddenly happened to us, my husband found that the oil filler cap had popped off. Luckily it was still under the hood, and as soon as he replaced it, the problem cleared up.
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