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Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

P0172 & P0505 check eng wtf?

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Old 08-30-2010, 02:42 PM
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Default P0172 & P0505 check eng wtf?
Hi guys,

The Check eng light came on this weekend. Code P0172 system too rich bank 1. And P0505 Idle control system malfunction.

Any ideas on whats wrong? 97 850 GLT wagon
 
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Old 08-31-2010, 02:36 PM
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I fixed it... PCV hose to intake...
 
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Old 08-31-2010, 03:44 PM
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Always nice when it's an easy fix!
 
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Old 08-31-2010, 05:59 PM
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Yes sir. Had to get that light off, before the MBC and boost gauge install.
 
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