engine running great. exhaust smells very rich?
#1
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engine running great. exhaust smells very rich?
I have to admit that exhaust issues tend to baffle me.
Had a difficult time passing smog a year back so I installed a new cat 1 year ago, now im smelling a very odorous, rich exhaust smell every time i run the truck. To the point where it is nauseating and gives me a headache.
I understand it could be a range of different problems from spark plugs, o2 sensor, carburetor issues, etc..... I also understand that a new cat can go bad within days if the truck isn't burning right.
Any ideas or input is appreciated many times over as I am with little clue on where to begin with this problem???
thanks
Had a difficult time passing smog a year back so I installed a new cat 1 year ago, now im smelling a very odorous, rich exhaust smell every time i run the truck. To the point where it is nauseating and gives me a headache.
I understand it could be a range of different problems from spark plugs, o2 sensor, carburetor issues, etc..... I also understand that a new cat can go bad within days if the truck isn't burning right.
Any ideas or input is appreciated many times over as I am with little clue on where to begin with this problem???
thanks
#4
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oh yeah. The truck is 1985 pick up 22r, carb'd. Going to run 'guaranteed to pass formula' through it and have smog test done this week. I have a strong feeling it is going to fail. The smell is ridiculous.
#7
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I agree with Team420 about not using the guarantee formula, this is only a temporary solution and not the answer. You might need a new cat every two years due to the original problem. Get the readings and post. If you have the old readings from the last smog check post them too.
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#8
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That pass in a can only works if you're close to the maximum limits not way over. Don't use it. Its expensive and hard to get your $$ back. Go to a pass or don't pay smog shop.
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