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Re: 05 Stinks!!
The 2005's have an air injection system that blows air into the catalytic converter under certain conditions to 'enhance' the chemical reaction in the cat (increase light-off). That's probably what you smelled. The cat lit off due to air injection & gave u a burst of stink. There is a ~1"dia hose that steals filtered air from the air intake tube, routes it under the truck to an electric blower, then to the exhaust.
G/luck
Joel
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2016 Subaru Forester 2.5i base CVT
2016 Nissan Quest SV
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