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Surging Idle

Help, Advice, Owners' Discussion and DIY Tutorials on the third generation Volvo V70 wagon and XC70 crossover, and second generation S80. Are you an owner? Prospective owner? Get in here and join us! Start a new topic or comment on an existing thread.

2008-2016 V70
2008-2016 XC70
2007-2016 S80

slowtype
Posts: 7
Joined: Sun Nov 13, 2011 3:36 pm
Year and Model: 2009 XC70
Location: Maine
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United States of America
slowtype

Surging Idle

Post by slowtype » Mon Sep 23, 2019 12:29 pm

Engine surges every 5 to 10 seconds while idling with the AC on. Not a lot, but enough to notice. No check engine lights or any other indications that anything else is wrong.

Any thoughts?

2009/3.2/XC70 ~120k