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Pls. help......code PO172. 850

posted by  someone claiming to be Jose Rizal on  Fri Sep 24 06:23 CST 2004 [RELATED]

Hello, my wife's check engine light is lit. I connected a scan tool and got a code PO172 (SYSTEM TOO RICH) long term fuel trim. where do I start to fix the problem? any suggestions is higly appreciated.Thank you.








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Pls. help......code PO172. 850

posted by  SUNSCIRCUS on  Fri Sep 24 13:06 CST 2004
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last visit: Fri Jan 29 03:20 CST 2010
[RELATED]

O2 sensors--> replace your oxygen sensors !
--
Ken








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Pls. help......code PO172. 850

posted by  someone claiming to be VOBD on  Fri Sep 24 09:40 CST 2004 [RELATED]

Try:

http://www.volvospeed.com/DTC/a2_232.htm







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