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Old Apr 19, 2007 | 11:02 PM
  #1  
seana4's Avatar
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Default fault code

I have a fault code P0411 obd scan stated Secondary air induction system incorect flow. What dose this mean?
 
Old Apr 20, 2007 | 01:47 AM
  #2  
Vaudi's Avatar
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Default RE: fault code

It means that there is a leak in your secondairy air system. Check all the vacuum lines on top of your engine. including the large accordian looking hoses.
 
Old Apr 20, 2007 | 02:04 AM
  #3  
chaos92287's Avatar
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Joined: Aug 2006
Posts: 8,355
From: Orlando, FL
Default RE: fault code

could bea couple of things. could be dv is failing, a vacuum leak, combi valve, air pump, but it is most likely a vacuum leak.

There's a vac line that runs from under the intake manifold.Around the back of the engine to the Combi valve (secondary air injection) - it's a round, chrome topped valve on the back left (passenger side)of the engine - you can't miss it. Check this hose. I'd be willing to bet it's got a leak. Replace it and you should be good to go. If not just check the other vac lines.
 
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