Volvo RWD 140-160 Forum

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sorry - 72 145, FI 140-160

uid 32173's pic
posted by  Gary L on  Thu Mar 4 04:03 CST 2010
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last visit: Wed Oct 22 10:26 CST 2014
[RELATED]

"The aux air valve supplies extra air to the engine to increase the idle speed during warm up."

Well okay, but I'm not crazy about the wording... as I understand it, yes - the AAR is supposed to furnish additional air to a cold engine, but the intent is to keep cold idle speed (during a temporary high friction situation) approximately the same as warm idle speed, not to make it idle faster than when warm. As Paul says, if you set cold idle with no AAR, then you are bound to end up with higher idle when warmed up... assuming a relatively cool ambient temp. The fact that your car did not behave in this manner with the AAR disconnected would indicate there might be other problems, IMO.
--

Gary L - 142E ITB race car, 73 1800ES





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New Idle creep [140-160]
posted by  bmessina  on Tue Mar 2 10:14 CST 2010 >


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