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mscottfree March 15th, 2014 03:14 PM

Porsche 911 codes
 
Can anyone help me with the following codes?

DIAGNOSTIC CODE. P0491 SECONDARY AIR INJECTION SYSTEM BANK 1 AND P0492 SECONDARY AIR INJECTION SYSTEM BANK 2 CONFIRMED.

JFP in PA March 16th, 2014 09:52 AM

Quote:

Originally Posted by mscottfree (Post 64953)
Can anyone help me with the following codes?

DIAGNOSTIC CODE. P0491 SECONDARY AIR INJECTION SYSTEM BANK 1 AND P0492 SECONDARY AIR INJECTION SYSTEM BANK 2 CONFIRMED.




P0491 Secondary Air Injection System, Bank 1 - Insufficient Flow P0492 Secondary Air Injection System, Bank 2 - Insufficient Flow Possible cause of fault - Electrical fault in power supply or line between relay and secondary air injection pump - Secondary air injection pump relay mechanically faulty - Mechanical fault in electrical secondary air valve - Pneumatic secondary air valve faulty/sluggish - Electrical fault in secondary air injection pump - Mechanical fault in secondary air injection pump or secondary air injection pump blocked - Vacuum system leaking - Air hose to secondary air injection pump slipped off or constricted

mscottfree March 16th, 2014 05:29 PM

Thank you for the information!

grooup April 17th, 2015 01:08 AM

Thanks for sharing information


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