Thread: p0410 secondary air injection system malfunction solution?
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Old Jan 27, 2016 | 08:23 AM
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onehundred80
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From: Ontario
Default Re: p0410 secondary air injection system malfunction solution?
Originally Posted by ssl92677
I keep checking the blue check valve and every time it performs as designed.

The air pump runs when engine is cold so both the air pump and the RCM must be working properly too.

I thought I saw the sensors had their own codes as well (p0135 etc.) but I went a head and install two new Bosch upstream o2 sensors and now it looks like I get the p0140 code much sooner.

Arghhhhhhhhhhhhh
You say you checked the RCM two years ago, have you checked it lately? As stated above burnt contacts on the relay in the RCM cause most issues.
 
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