Trouble codes PO418 & PO412

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Jan 18, 2006 | 04:16 PM

JD_Z28

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From: Arizona

Trouble codes PO418 & PO412

I have an 02 Z28 and these codes just popped up a little after installing an
STS kit. Does anyone know what the problem may be, thanks.

Jan 18, 2006 | 05:17 PM

JD_Z28

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From: Arizona

^^^^^

Jan 18, 2006 | 09:19 PM

rule 7 ss

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Quote:

Originally Posted by JD_Z28

I have an 02 Z28 and these codes just popped up a little after installing an
STS kit. Does anyone know what the problem may be, thanks.

P0418 Secondary Air Injection System Relay A Circuit Generic OBDII Code

P0412 Secondary Air Injection Switching Valve A Circuit Generic OBDII Code

https://ls1tech.com/forums/pcm-diagnostics-tuning/209783-need-lookup-ses-code-look-here.html

Quote:

Originally Posted by horist

http://www.obdii.com/codes.asp
if it asks you to regsiter.. the fields are dummy fields...
Type gibberish into them and it'll accept it... that's what I do