USE CODE: GJP99PYB - This Amazon Pick is Recommended by Saabnet.com!
Site News -
6/4: Advertising Position/Commission Available |
5/10: Members: Log In to See Fewer Ads!
[General |
Members |
C900 |
9000 |
NG900 & OG93 |
93 |
95 |
NG95 |
99 |
Sonett |
Vintage Models |
Clubs |
Other Cars |
FAQs |
Gifts |
Member Photo Galleries |
Member Directory |
Classifieds |
Manuals |
*Buddy Registry |
*Mileage Registry |
Polls |
What's New |
Raffle |
Photo of the Month |
Sponsors]
The factory DP contains two catalytic converters and has a reputed life of over 150K miles. Any performance DP has a single catalytic converter of compact size. It is really a no-brainer that these performance DP's will have a shorter converter life than the factory pipe. I achieved 45K miles before the CEL started, for many owners that will be far longer than they own the car.
The theory behind use of these adapters is that they move the O2 sensor out of the exhaust stream. Since the software is looking for number of "hits" generated by each sensor, and comparing the front to rear to ensure the rear sensor is seeing fewer hits than the front, removing the rear sensor from the exhaust stream nearly guarantees the rear sensor will generate fewer "hits" than the front. Each "hit" is sometype of exhaust gas reading (oxygen in the exhaust stream seems logical) so equal readings front and rear mean the catalyst is not doing its job very well. There are some test results that indicate vehicle software is much too sensitive and even a catalyst alarming as low efficiency is still meeting the clean air standards.
The "right way" to fix this problem is to replace the catalyst in some manner, my Plan B approach. But with the age and mileage of my car, combined with no mandated emissions testing in Michigan, I am taking the cheap route for now.
A new factory DP is ~$1,100. A performance DP is $500 to $600. A large universal fit catalytic converter can likely be welded into the exhaust system for ~$300 (I don't have quotes yet but have priced the parts).
posted by 98.250.156...
_______________________________________
Saabs owned:
2008 9-5 Aero Sedan, sold at 227K miles
2006 9-3SC 2.0T - Wife's daily driver
2000 Viggen Convertible - Sold May, 2022
1964 Quantum IV Formula Car - Retirement project
2000 9-5lpt Sedan, sold at 318K miles
Posts in this Thread:
Members do not see ads below this line. - Help Keep This Site Online - Signup
Post a Followup
No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.
StateOfNine.com
 |
SaabClub.com
 |
Jak Stoll Performance
 |
M Car Covers
 |
Ad Available
 |
Random Saabnet.com Member Gallery Photos (Click Image)
This is a moderated bulletin board - Posting is a privilege, not a right.
Unsolicited commercial postings are not allowed (no spam). Please, no For Sale or Wanted postings, SERIOUSLY.
Classifieds are to be listed in The Saab Network Classifieds pages.
This is a problem solving forum for over 250,000 Saab owners, so expect to see
problems discussed here even though our cars are generally very reliable. This is not an anything goes
type of forum. Saabnet.com has been a moderated forum since 1988. For usage guidelines, see the
Saabnet.com Mission and Purpose Page. Please remember that you are
not anonymous. Site Contact | Site Donations | Other Sites by SP -
Poverty2Prosperity.org | Run Club Menlo Park | ScreenBot
Site Members do not see red text instructions, bottom of the page anchor ads, or box ads.
Click here to see all
the Site Membership Benefits!
(#882) [Profile/Gallery]
(more from MI-Roger) on Sun, 30 Jan 2011 09:36:25
[Profile/Gallery]
, Sun, 30 Jan 2011 08:53:16
Members do not see ads below this line. - Help Keep This Site Online - Signup
, Wed, 2 Feb 2011 11:40:42