Strong Exhaust -not gas- Smell in Cabin
Hello All,
I have a MY2000, with a 35k low mileage motor installed, after my last one went boom after 15 years. Stock CAT/Factory Original Exhaust My problem is recently (fairly sure this is recent), where anytime I go WOT (even from 3k to 5.5k in 3rd for example), or do a run to 9k, I immediately get this extremely strong smell of EXHAUST (not gasoline), but the kind I would smell if I was running like open header or something. No Codes Now, I have been used to the rich smell coming when I ran to 9k, but that was much different than this. That smell was like exhaust getting processed through cat, and coming out the other side with the traditional AP1 Rich smell. This smells like, someone piped the exhaust manifold right into the cabin. When I drive normally, I don't smell it, ONLY when I put my foot down- even for 2 seconds. There is very little lag, and I can immediately smell it in the cabin. The unburnt gas, kind of makes me nausious. I have owned my car for 4 years, this is not the smell I had before when I would be going WOT. Now recently, I switched transmissions, and noticed that when we did the engine swap, we did not put in a exhaust manifold gasket, but that would mean I would have smelled this after the swap, and this is only recently. Other Symptoms
What could it be?
Things I have tried to alleviate this
Since immediately smell it after I go WOT - even for 2 seconds - I doubt that this is coming from the back of the car. Any Ideas? I just don't want to replace parts that aren't worn or damaged and throw money away so will look for suggestion as to the cause of this problem. |
"We did not put in a exhaust manifold gasket."
Why was this not done? |
Not sure. Mustve slipped through the todo list.
You think it could be this? I mean wouldnt it be noisy since so much exhaust would be escaping. |
Yeah, I'd replace the exhaust gasket.
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You didn't use a new exhaust mani gasket or you didn't use one at all?
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You have an exhaust leak. Probably only can smell it when your on it hard
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Originally Posted by realblag
(Post 23972678)
You didn't use a new exhaust mani gasket or you didn't use one at all?
|
Originally Posted by starchland
(Post 23972711)
You have an exhaust leak. Probably only can smell it when your on it hard
I added two bolts and tightened everything down and now, the engine doesnt stutter at startup, but I can still smell the exhaust when I get on it hard. I will try add the gasket first thing and see if that takes care of the smell. |
Think the gasket will do the trick.
Good luck! :) |
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