Why does my truck smell when I turn it on?
If your engine has been running for a few minutes and you start to smell something sweet, coolant containing ethylene glycol could be leaking from the radiator, cylinder head or a failed intake manifold gasket. If the smell is strongest inside the car, this is could indicate a problem with the heater core.
Why does my truck smell like sewer?
When gasoline reaches the catalytic converter, the converter transforms the trace amounts of hydrogen sulfide into the odorless sulfur dioxide. A broken or jammed catalytic converter cannot properly process the sulfur gases and will cause your car to smell like rotten eggs.
Why do old trucks smell?
If you notice a very strong exhaust smell in the car then you probably have a leak in the exhaust system. There may be a hole in the exhaust pipe, tailpipe, or muffler. You also may have worn down a part of the car interior which is letting the exhaust in.
How to diagnose car problems by odor?
How to Diagnose Car Problems by Odor. When an unusual smell emanates from your vehicle, your first impulse might be to check under the seat for an old fast food bag. If the culprit isn’t in the interior of your car, chances are it’s your engine. Smells generated by a vehicle’s engine can point to potential trouble ahead.
What does it mean when your car has a strong smell?
If the smell is strongest inside the car, this is could indicate a problem with the heater core. In both cases, you’ll need to have a mechanic look into the issue.
Why does my Ford F150 have a bad smell?
The evaporator is always wet when the AC is in use. If the drain under the evaporator gets plugged, then water can sit in your plenem and breed nasty stuff. One of the primary jobs of an a/c system is to remove moisture from the air before that air comes into the cabin of the vehicle.
What does it mean when your car air conditioner smells bad?
It might be coming from a leaky radiator cap or the radiator itself, especially if you smell it outside the car. A strong odor inside the passenger compartment probably means a bad heater core. (2) SMELLS LIKE: WHEN: You turn on the heater/air-conditioner fan and you get a whiff of that high-school gym locker.