Re: CEL code 12223 and 12111 - Saab 900 Bulletin Board - Saabnet.com
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Re: CEL code 12223 and 12111
Posted by Seamonkey [Email] (more from Seamonkey) on Tue, 31 Jul 2007 16:54:19
In Reply to: CEL code 12223 and 12111, Landjet [Profile/Gallery]
, Fri, 27 Jul 2007 10:40:30
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That 12111 code can be caused by a whole host of problems. Mine turned out to be a vacuum leak, but I ended up replacing every vacuum hose in the the car before I found the one that leaked worst. It can be caused by any component that interferes with the fuel injection self-regulation circuit... O2 sensor as you mentioned, fuel pump pressure and flow rates, charcoal cannister and related plumbing to the fuel tank, fuel pump and pre-pump... and many more. It is a sinister and over-broad error code.
You ruled out vacuum leaks first, and so did I but I was wrong to do so. I found out my mistake only after eliminating all other potential causes and began rechecking my earlier assumptions.
Good luck.
posted by 157.245.8...
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