- Sulfuric odor smells somewhat like rotten eggs and a smell you do not want to have come out of your exhaust system, and that can happen when your engine is not operating properly. Your exhaust is sent by two manifolds into two pipes that are split off from (figure A) your engine (a V-8 in this case) and then goes out to the tail of the car.
- On the way, they go through the catalytic converter (figure B). The catalytic converter has been installed on vehicles since 1975 and is designed to turn carbon monoxide and hydrocarbons into harmless water vapor exhaust. Still, a lot of exhaust gets out, but the converter is a reduction device and it processes the air fuel mixture that is partially burned as it goes through the converter up to 1600 degrees. It then goes down to the pipes and it goes by the oxygen sensor that gives the vehicles computer the amount of oxygen in the exhaust and is a reflection of the air fuel ratio.
- The exhaust continues through the pipes plumbing and then goes out through the muffler (figure C) on some vehicles and then out the two tailpipes.
- If there is too rich a mixture in your vehicle it will cause a smell like sulfur. Inside the catalytic converter is rhodium and palladium on the surface of a sub straight material (figure D). Those high precious metals have a chemical reaction with the gasoline that is coming out of the hydrocarbons and exhaust and they are catalyzed (burned as they are combined with a chemical reaction that reduces them to a less toxic gas).
- If the air fuel mixture is not right, then your mixture is too rich. The oxygen sensor (figure E) should be replaced approximately every 50 to 60,000 miles specifically and certainly by 80 to 90,000 miles. Take the vehicle to a technician for a scan tool test on the computer to see if the oxygen sensor is operating properly, or have the oxygen sensor tested. As a DIY step, you can replace the sensor yourself. Check with your municipality for the proper disposal of the catalytic converter.
RESOURCES :
Griot's Garage
3500-A 20th St. E.
Tacoma, WA 98427
Website: www.griotsgarage.com
Westward Tools
Website: www.westwardtools.com
Jasper Engines and Transmissions
PO Box 650
Jasper, IN 47547-0650
Toll-free: 800-827-7455
E-mail: sales@jasperengines.com
Website: www.jasperengines.com
Polishes, Waxes and Cleaners (Mothers Inc.)
Mothers® Inc.
Website:www.mothers.com
California Car Duster (The Glove)
Website: www.carduster.com
Edelbrock Performance Products
Website: www.edelbrock.com
Mobile Air Conditioning Society (MACS)
MACS
PO Box 88
Lansdale, PA 19446
Phone: 215-631-7020
Fax: 215-631-7017
Website: www.macsw.org
Car Stereo Speaker Projects Illustrated
Author: Daniel L. Ferguson
Publisher: McGraw Hill (July 2000)
ISBN: 0071359680
Order this title from Amazon.com.
GUESTS :
Jack Debiasion
Scosche Industries, Inc.
1550 Pacific Ave.
Oxnard, CA 93033
Toll-free: 800-363-4490
E-mail: jdebiasio@scosche.com
Website: www.scosche.com
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