CEL code advice - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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CEL code advice
Posted by Noel [Email] (more from Noel) on Fri, 30 Dec 2011 15:10:39
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The patient is a '99 9-3SE with about 161K.
Three CEL codes:
P0171: System too lean Bank 1
P0133: O2 circuit slow to respond, Bank 1, Sensor 1 (front sensor)
P0106: Manifold absolute pressure, BARO sensor range performance
I reset the codes with my dandy new OBD2 reader and will see what comes back. (2 out of our 4 Saabs had CELs come on last week. The 9-3 isn't driven much and it had been on and off for awhile, partly due to a failing DI which is returning the infamous "camshaft position sensor" code--P0340.
From the first two, and reading on BBA-reman (but not really able to do a full diagnostic test), I'm figuring I need to replace the front O2 sensor. What is involved in changing this sensor? I've never done an O2 sensor--so is a special tool needed?
The third one (P0106) I don't know much about. Any thoughts on what to check for if it comes back?
Any input on any or all of this is welcome!
TIA (and Happy New Year!)
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