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Re: Annoying and mystical CELs Posted by Larry West [Email] (#1140) [Profile/Gallery] (more from Larry West) on Fri, 23 Sep 2011 09:48:52 In Reply to: Annoying and mystical CELs, MI-Roger [Profile/Gallery] , Thu, 22 Sep 2011 17:16:59 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I got the same thing a couple weeks ago in my 2000 SE (V6), under very similar conditions. The code I got was P0420 "Catalyst System Efficiency Below Threshold (Bank 1)". Of course, I bought a code reader just to find this out. I cleared the code, and no code has reappeared since in the past three weeks.
My guess is that the exhaust gasses didn't have enough time to dissipate, or some got blown back in the wrong way, or something else not affecting the actual performance of the engine or catalyst.
Without reading the code, you're just guessing.
_______________________________________ Current: 2002 9-5 Aero Kombi Cosmic Blue 2000 9-5 SE sedan, Imola Red 1990 900S Rose Quartz, Auto Past: 1999 9-5 LPT Combi 1999 9-5 LPT sedan 2002 9-5 Arc 1990 900 5-speed 1986 900 turbo Convertible 1991 9000 turbo 1980 99 GLi 1986 900 turbo 1986 900 S 1991 900 turbo 1984 900 turbo 1976 99 GL
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