2002 996 turbo P1133 Code
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From: A SoCal Canyon
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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???
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Joined: Mar 2008
Posts: 2,807
From: Montreal Canada
Rep Power: 268
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; Mar 2, 2013 at 07:42 PM.
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Registered User
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From: A SoCal Canyon
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