engine on 1999 Nissan Quest

i have a 1999 nissan quest that has miss when ilding only and the exgaust has a terible terible smell other than that the car run perfect

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1 answer
Has your vehicle got a Check Engine/Service Engine Soon Light illuminated on the dash? The misfire you have at idle is resulting in raw fuel entering the exhaust and it sounds like what you are smelling is the catalytic converter trying to cope with and neutralize the excess gasoline. This will damage your catalytic converter and result in a very expensive repair if you don't take care of it very soon.