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Home >> Porsche >> 2000 >> Boxster Base, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> DME 7.2 - 911 CARRERA & BOXSTER >> DTC P1133: Oxygen Sensing Adaptation, Lower Load Range, Bank 2 - Above Limit >> Diagnosis Procedure >> Fuel Injector Fouled

Fuel Injector Fouled

  1. If preceding Check Points were negative, the fuel injectors may be fouled.
  2. Clean fuel injectors (ultrasonic cleaning device) or replace them.
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