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98 S70 ECC only works when hot or after 30 min

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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TexasT5
Posts: 9
Joined: 4 April 2020
Year and Model: 1998 S70 T5
Location: Texas
Been thanked: 2 times

Re: 98 S70 ECC only works when hot or after 30 min

Post by TexasT5 »

Hard to believe it has been 3 years since I posted on this.

Car went in and out of driving rotation and fixed a bunch of other things on it. Never found an electrical issue and ECC deteriorated to barely working, except would come on at temperatures above 95 deg and work for 20 min.

Long story short: Yesterday I found a junkyard ECC and bought it. Works great. So my conclusion is my original ECC went bad, first junkyard ECC was bad, and junkyard roulette smiled on me and I got a good one.

San Antonio wrench a part has a 98 red S70 with manual trans and a decent black interior (sans ECC). If anyone interested.

Didn't want this to be another thread with no solution.

TT
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abscate  
MVS Moderator
Posts: 35275
Joined: 17 February 2013
Year and Model: 99: V70s S70s,05 V70
Location: Port Jefferson Long Island NY
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Post by abscate »

We appreciate the follow up and wish you cold AC for those Texas summers…
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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