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Old 10-21-2014, 09:38 AM   #4
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Join Date: Feb 2005
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Originally Posted by mgfranz View Post
Thanks JFP, you are correct, that should have read Durametric not DME. And I did post the wrong readout for P1133, it should have been "Oxygen Sensing Adaptation, Lower Load Range, Bank 2 – Below Limit". But what could be the problem? I did recently, about 400 miles ago have to replace the fuel pump which failed, Bosch replacement...
I would suggest getting the car rescanned with a Porsche specific tool as a starter. If the overly lean code still shows, I would then check the fuel system for correct pressure and volume delivery. Have you changed the fuel filter on the car?
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