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radiator fan run on when engine is cold

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1958here
Posts: 1
Joined: 01 Jun 2021, 09:10
Year and Model: V70 2003
Location: colchester

Post by 1958here »

2003 V70 Radiator fan runs as soon as key is turned. Any ideas
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abscate
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Joined: 17 Feb 2013, 17:54
Year and Model: 99: V70s S70s,05 V70
Location: Port Jefferson Long Island NY
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Post by abscate »

This can be caused by a faulty engine temperature sensor, and I have also seen this happen on earlier models when the MAF is disconnected.
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1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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jgadbois
Posts: 9
Joined: 12 Jul 2018, 05:58
Year and Model: 2006 XC70
Location: New Hampshire
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Post by jgadbois »

After changing AC compressor on 2006 xc70 the fan would run fast on startup. Stopped doing this once I recharged the refrigerant.
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