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Seems to be a common problem with the GS downpipe Posted by MI-Roger [Email] (#882) [Profile/Gallery] (more from MI-Roger) on Thu, 2 Dec 2010 17:32:57 In Reply to: A ton of miles??, MI-Roger [Profile/Gallery] , Thu, 2 Dec 2010 16:28:11 Members do not see ads below this line. - Help Keep This Site Online - Signup |
For osme reason the ppipes work great, but then suddenly develop a problem throwing the P0420 code.
I found references to the following link that seems to have eliminated the issue for a number of Saab owners, both Viggen and 9-5, who enperienced repeated P0420 CELs.
posted by 98.250.156...
Modifying rear O2 sensor with two plug non-foulers
_______________________________________ 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
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