Quote:
Originally Posted by mgfranz
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...
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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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