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Below is a copy from the PCA about these codes. Where are these parts located on the engine? I get this code once in a great while and only just arter a startup and the engine is still cold. Any insight?
Thanks
Chris

Quote:

The fault P0410 is for the Secondary Air injection cylinders 1-3. The fault P1411 is for the Secondary Air injection cylinders 4-6. For both of these faults to be on at the same time you would have to have a common denominator. The number one would be the change-over valve and or the electric controlled solenoid.. Make sure that all vacuum lines are also connected properly. Then one should check the air pump for proper operation with a System 2 Tester or the PIWIS tester. This would be done under the short test for secondary air injection or drive links. Usually the valve and solenoid should be changed at the same time do to their location for removal. I highly recommend that once the problem is thought to have been fixed run a short test on it to verify you have done such. This would apply to all OBD repairs.