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850 running rough, no start 850

posted by  KlausC on  Sun Feb 7 17:07 CST 2010
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

P1507 Idle Air Control Underspeed Error

Hmmmm, could the IAC be a little dirty?????

Forget the fuel pump or relay or CPS, none of these will cause a poor idle. The IAC hose could be broken also, along with the accordian section of the air hose from the cleaner to the throttle body.

Klaus
--
Proud owner of a 220S. If I had more room, I would have more Volvos.






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New 850 running rough, no start [850]
posted by  noah8888  on Sun Feb 7 11:53 CST 2010 >


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