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S-80 Air intake manifold hose part Identification

  #1  
Old 08-10-2012, 07:33 PM
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Default S-80 Air intake manifold hose part Identification

I have a 2001 S-80 2.9l on turbo that has two ck engine codes , Fuel too lean. I found the following what looks like a check valve in the air intake manifold hose on the left side on the manifold intake. This part has a hole in it and I think that is where I'm sucking in air.
 
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  #2  
Old 08-11-2012, 08:40 AM
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Posts: 35
Default Power brake booster check valve

This part is the power brake booster check valve. I had a hole in it which was on the under side of the valve. I had to rotate it to find the hole. I believe that is where the air is being sucked into the intake and is causing my P0171 and p0174 " bank 2 fuel too lean engine codes. I will replace this and report back if that clears the codes.
 
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