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

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kopcicle
Posts: 1
Joined: 24 Aug 2021, 23:07
Year and Model: 2004 XC70
Location: Seattle

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 Oct 2016, 10:27
Year and Model: 2006 Sonic VR GT
Location: New Zealand
Has thanked: 34 times
Been thanked: 26 times

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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