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2004 XC70 P0118, temperature gauge inop, fan runs full speed.

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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kopcicle
Posts: 1
Joined: 24 August 2021
Year and Model: 2004 XC70
Location: Seattle

2004 XC70 P0118, temperature gauge inop, fan runs full speed.

Post by kopcicle »

2004 XC70
simple OBDII reads P0118,
temperature gauge is inoperative, just lays over on the left peg.
The radiator fan runs at full speed all the time the car is on.
ECT has been replaced.

No change :-(

Dennis

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Stu70
Posts: 171
Joined: 12 October 2016
Year and Model: 2006 Sonic VR GT
Location: New Zealand
Has thanked: 34 times
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Post by Stu70 »

Are the ECT plug and terminals in good condition ? Can you trace harness back to ecu, or even just meter across the harness side of the empty plug to check there is any value of continuity across it? ie there are no breaks in wiring.

Genuine Volvo ECT ?
1998 S70 10v BiFuel - Sold
2006 Sonic V70R - “this is going to be expensive “

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