S2000 Under The Hood S2000 Technical and Mechanical discussions.

P0410 secondary air injection system malfunction

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Old 01-22-2012, 10:44 AM
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It goes by completed tests. Ill post a real cool trick for you later... How to check if those tests are complete.
Old 01-22-2012, 11:16 AM
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ok thanks ill be waiting! only problems left is noise from the soft top but im getting hardtop strikers soon do i need both or just driver side replaced?
Old 01-22-2012, 03:36 PM
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Replace which ever strikers are worn.

If the top is still noisy let me know i have the ultimate fix.

As far as the CEL, just turn the key on and wait 15-25 seconds or so, and watch the CEL.

If it blinks, the monitor tests are not complete.

If it goes off, then the tests are complete and your fixed vac line has cured the problem
Old 01-22-2012, 05:24 PM
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just checked and its officially gone! Saves the $300 dollors to change the lines and $1000 to replace the pump the dealership was trying to charge me with. I will replace strikers next but whats the ultimate fix?
Old 01-22-2012, 06:33 PM
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I would think replacing the air pump and the air pump relay would be the correct action.
The air pump relay (contactor assembly) sticks intermittently, causing the air pump (secondary air injection) to overheat.
Old 01-23-2012, 02:29 AM
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Nope, P0411 "Secondary Air Injection System Incorrect Flow" is usually caused by misrouted or unplugged vacuum hoses, like Bill said.
You'll throw that code when the EGR valve doesn't open (valve that injects air into the exhaust, located on the intake manifold). This is usually do to no/leaking vacuum, a faulty solenoid, or a failed ECU transistor (it controls the solenoid, I've witnessed two of these failures). The latter two causes are rare.
Old 01-23-2012, 05:54 AM
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Originally Posted by S2_4SHOOR
I would think replacing the air pump and the air pump relay would be the correct action.
The air pump relay (contactor assembly) sticks intermittently, causing the air pump (secondary air injection) to overheat.

For a P0410 that might be the case, but the OP corrected himself when I asked if he meant P0411 he said yes
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