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The codes are for secondary air injection system failures. The SAI system simply injects additional air into the exhaust at cold start for about 90 secs to reduce emissions.
P0410 Secondary Air Injection System, Bank 1 – Below Limit
P1411 Secondary Air Injection System, Bank 2 – Below Limit
Possible cause:
- Secondary air injection pump is not triggered
- Secondary air injection pump does not function
- Air supply lines restricted
- Electric change-over valve does not function
- Air change-over valve does not function
- Vacuum system leaking
Does the engine idle poorly all of the time (cold, hot, etc) or only under certain circumstances?
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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