996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

check engine light P0491 & p0492

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Old Nov 4, 2010 | 11:14 AM
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check engine light P0491 & p0492

I have these 2 codes and it is the air pump malfunction. All the sudden the car hits 1.4 bar. The most i ever seen on my car is 1.2 bar. Does anybody know whats wrong?
 
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