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This may be the cause of my codes. Broken nipple.

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Old 04-26-2006, 12:22 PM
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Default This may be the cause of my codes. Broken nipple.
<center><img src="http://pictureposter.audiworld.com/22347/broken_nipple.jpg"></center><p>
As you can see, the nipple has broken off this valve. Any idea what this valve does or it's part#? (it sits to the left of the coolant overlfow res)

Codes
17544 P1136 Long Term Fuel Trim Add.Fuel,Bank1 System too Lean
17546 P1138 Long Term Fuel Trim Add.Fuel,Bank2 System too Lean
17521 P1113 Bank1-Sensor1 Internal Resistance too High
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Old 04-26-2006, 12:30 PM
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Its a check valve. May be the cause of the system too lean codes but not the O2 sensor code.
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Old 04-26-2006, 12:30 PM
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Doesn't that feed the brake booster? Isn't that a manifold pressure/vacuum line?
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Old 04-26-2006, 12:46 PM
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N249 vac/check valve. Part of the N249/BPV system.
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Old 04-26-2006, 01:19 PM
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its called Vacuum Check Valve.. you can get one through ECS. its another common problem..
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Old 04-26-2006, 01:53 PM
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Default wow, your engine is dirty..
clean that frickin' thing. your installer will thank you.
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Old 04-26-2006, 06:12 PM
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dirt/oil was due to the broken part. rest of the engine is clean.
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Old 04-27-2006, 07:15 AM
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Default This diagram helps ( courtesy of VonK)
<center><img src="http://209.128.70.155/BPVplumbing2.jpg"></center><p>Looks like it's the "Non-Return Valve"
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Old 04-27-2006, 10:10 AM
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yeah my gf had a broken nipple when i got wasted and bit down super-hard.
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