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Old 09-28-2010, 12:23 AM
Join Date: Jun 2010
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Default P0412 Secondary Air Injection: Valve A failure.

Hey guys I've just finished some maintenance and had this code spring up when I started the car. I was messing around with the air filter and the piping for the AIR so I was just wondering where this valve was and what would cause the failure.
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Old 09-28-2010, 09:50 PM
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Probably a vacuum hose cracked, torn, loose.
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Old 10-01-2010, 10:21 AM
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Hmm...I was messing with some hoses when I was doing the A/C. Is this Valve A the valve on the passenger side AIR? Trying to track which hoses I should check and the Chilton's Manual is none too helpful.
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Old 10-04-2010, 11:53 PM
Join Date: Jun 2010
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I believe I actually mislabeled this one. It is a circuit malfunction for the Valve A on the AIR. Did something get unplugged?
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