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S40 egr?

  #1  
Old 02-25-2019, 11:16 AM
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Default S40 egr?

Does a 2006 Volvo S400 2.4i have an exhaust gas recirculation valve?
I am trying to hunt down a what it appears to be an exhaust leak, that I can only hear on cold startup for about 30 sec. I have replaced everything from the engine block down.. Exhaust manifold and all gaskets, flex-pipe and cat, downstream O2 sensor, (did not replace the upstream O2 sensor) so I was wondering if this car has an EGR Valve..

Thanks
 
  #2  
Old 02-25-2019, 04:30 PM
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here's something that may give you some ideas..


Do you see a small tube coming off the exhaust manifold? that's the EGR tube which should run up to the front of the engine to the EGR valve then into the intake...
 
  #3  
Old 02-25-2019, 07:35 PM
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No there is no tube coming off the exhaust manifold. Here are some pictures from the original manifold




I have many times checked and re-checked the gaskets. Last time I replaced them both with OEM (upper section facing the engine block, and lower facing the flex-pipe/cat) tourqued to the right spec.

The video has a different system since the engine is not the same.

 
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