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Old 01-18-2006, 06:29 PM
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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.
Old 01-20-2006, 08:56 AM
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first off you might get more replies with something more than just help in the title. secondly, what are the definitions on these codes? i dont ahve hp tuners with me so i cant look them up
Old 01-20-2006, 09:16 AM
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Air injection solenoid relay
air injection pump relay
Old 01-20-2006, 08:35 PM
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Is the air pump plugged in?? I usually try to keep things simple at first while troubleshooting.




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