1998 BMW 323 fault code

jmullen17 · Posted at Thu May 15, 2008 11:35 am

1998 BMW 323 6 cyl Automatic
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the check engine light came on and i got the follwing codes from my reader
11F5 & 11F6 which are secondary air system flow too low cyl 1-3 & 4-6 what could be the problem?

Advertisment · Posted at Thu May 15, 2008 11:35 am

Dr. Hagerty · Posted at Thu May 22, 2008 5:32 pm

It might be either the vacuum hose to the secondary air injection valve is cracked or the secondary air pump is not up to par. I have seen the pumps set faults even though they seem to run just fine.