2002 996 turbo P1133 Code
#1
03-02-2013, 06:51 PM
Join Date: Oct 2008
Location: A SoCal Canyon
Posts: 523
Rep Power: 56 
2002 996 turbo P1133 Code
I have an intermittent CEL that will pop on whenever it wants then take a rest for a while. 
According to the 6'er forum...
P1133 = Oxygen Sensing Adaptation Lower Load Bank 2
So I should replace an O2 sensor??? If so... which one of the 4???
I've already changed a MAF, Fuel filter, checked the dreaded fuel pump hoses in the tank for splits/cracks, and ran some injector cleaner through the system with 4 tanks of fuel. The car has always seemed to run fine with no noticeable hesitation etc.
Can anyone shed some light on this???
According to the 6'er forum...P1133 = Oxygen Sensing Adaptation Lower Load Bank 2
So I should replace an O2 sensor??? If so... which one of the 4???
I've already changed a MAF, Fuel filter, checked the dreaded fuel pump hoses in the tank for splits/cracks, and ran some injector cleaner through the system with 4 tanks of fuel. The car has always seemed to run fine with no noticeable hesitation etc.
Can anyone shed some light on this???
#2
03-02-2013, 07:38 PM
Registered User
Join Date: Mar 2008
Location: Montreal Canada
Age: 69
Posts: 2,806
Rep Power: 266
The OBDII manual suggest to test the MAF first for voltage and vacuum hose leak that goes to the fuel pressure regulator. No mention of an oxygen sensor failure....
Last edited by jpflip; 03-02-2013 at 07:42 PM.
#3
03-03-2013, 02:49 AM
Join Date: Oct 2008
Location: A SoCal Canyon
Posts: 523
Rep Power: 56
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