Test pipe Gas fume smell leaking into cabin with A/C or heater?

wdkwang

what i'm saying is, if there is no exhaust leak and with the windows up in our cars, then the only place the fumes should be coming out is out the tail pipes. if i'm in a constant cruising speed, then the fumes should be constantly shooting out behind the car, not leaking into the cabin cause that would just make no sense to me.

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DEpointfive0

Unless your recirculate is on, you will get SOME smell in the cabin... If you're at constant cruising speed, turn your fan on with outside air...


My driving procedure, car on, already on recirculate, drive, get to 10MPH, turn off recirculate, see a yellow light, turn recirculate on, come to the stop, on green wait to get to 10MPH, turn recirculate on... Rinse and repeat, LOL