engine running great. exhaust smells very rich?

joelpixton · 10-24-2009, 05:01 AM

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

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stagger_lee · 10-24-2009, 11:27 AM

Getting a smog test would tell you what gasses are being released in excess and would help narrow down the area of problem.

abecedarian · 10-24-2009, 01:18 PM

Knowing whether you're carb'd or EFI would help to.

joelpixton · 10-25-2009, 12:10 AM

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.

Team420 · 10-25-2009, 07:57 AM

I would have the smog test done without the guaranteed to pass... at least that way you can get a good reading and troubleshoot accurately from there.

Kiroshu · 10-25-2009, 08:13 AM

Carb out of adjustment? Not using OEM or NGK plugs? Valves not Properly adjusted? Airfilter dirty?

boxer.fan · 11-06-2009, 04:02 PM

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.

desertcamper67 · 11-06-2009, 04:59 PM

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.

camo31"10.50" · 11-06-2009, 05:03 PM

Quote:

Originally Posted by joelpixton

I understand it could be a range of different problems from spark plugs, o2 sensor, carburetor issues, etc...

there ya go abe...i just wanted to point that out..LMFAO

10-25-2009, 08:13 AM	#6 (permalink)
Kiroshu Registered User Join Date: Oct 2007 Location: wade, NC Posts: 1,305	Carb out of adjustment? Not using OEM or NGK plugs? Valves not Properly adjusted? Airfilter dirty? __________________ My current: 1986 Toyota 4runner SR5 EFI 4cyl 2.4L 22RE 5-Speed 242,000 Miles 95% Stock __________________ (Still working on restoring her) My old: 1988 Toyota 4runner SR5 EFI V6 3.0L 3VZ-E 5-Speed 302,000 Miles All stock (sold)______________ (Was my fastest truck i miss her...) My old: 1989 Toyota 4runner Non-SR5 EFI 4cyl 2.4L 22RE Automatic 231,000 Miles (sold)______________ (was my quietest and slowest yota.)

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10-25-2009, 12:10 AM	#4 (permalink)
joelpixton Registered User Join Date: Oct 2009 Location: santa cruz, calif. Posts: 2	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.

11-06-2009, 04:02 PM	#7 (permalink)
boxer.fan Registered User Join Date: Oct 2008 Location: Covina, CA Posts: 16	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.