Foul smell when ecxellerating

The Smell is-- Sulfur Dioxide-- from an over heated
Exhaust Converter

Yes-- it will be ruined soon

White Smoke all the time, could be a head gasket

It could also be-- lots of fuel-- that is overheating the converter

Have to look at fuel trim on scan tool data

No it is not under emissions warranty the year is what is the factor, it is 7 years or 70,000 mile whichever comes first. You need the check engine fault code read and that fixed first, it is most likely the cause of the smell from the catalytic converter which is caused by a overly rich fuel air mixture. The fact you smelled the sulfur indicates the Cat is working. I was a certified repair and inspection technician for the Calif smog control program for 35 years.

very possible convertor is plugged have local muffler shop check temp difference between convertor an exhaust ppipe also check fuel pressure

Hello, deeanimo and thank you for asking your question on Fixya!

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How to diagnose your overheating 1996 Toyota 4Runner

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Thanks for the vote, and good luck!

Hello....

Sounds like you might have a animal or other object **** in your tail pipe or a bad, broke down catalytic converter.... If it smells like sulfur, it the converter....

Good Luck

TJ

check the air condition piles, then your gasket and the electrical connections

u may need to change the O2 sensors

Take it into your mechanic ASAP before you throw a rod and destroy your engine, check oil level also...DO NOT DRIVE IT ANYMORE or you may be looking for another car soon.

Could be. Is the trans fluid dark or does it smell burnt? Clutchs could be done also.

I noticed going from a Higher Grade gasoline as well as making sure I change my motor oil on a regular basis (3,000-5,000 mi)to solve this problem. When the car isn't driven at a high RPM for a while, and you go to a quick acceleration it causes this smell.