PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

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Jan 18, 2006 | 06:29 PM

#1

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help

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.

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Jan 20, 2006 | 08:56 AM

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WS6FirebirdTA00

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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

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Jan 20, 2006 | 09:16 AM

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Air injection solenoid relay
air injection pump relay

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Jan 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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