1993 850 coming from wrong port.
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BigLib
- Posts: 8
- Joined: 30 March 2025
- Year and Model: 1993 850
- Location: Dallas, TX
- Has thanked: 6 times
1993 850 coming from wrong port.
All of my codes are coming out of A3 but according to the charts none of the codes should come out of A3. It's this a problem?
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scot850
- Posts: 14864
- Joined: 5 April 2010
- Year and Model: 2000 V70 R
- Location: Calgary, Alberta, Canada
- Has thanked: 1836 times
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Been a long time since I had a 93 850 with the engine bay diagnostic ports. I had to go to this video from Robert DIY. Perhaps this may help to answer your question:
Neil.
Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold
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misha
- Posts: 5379
- Joined: 7 December 2008
- Year and Model: '97 850 2.5 20v
- Location: Serbia
- Has thanked: 152 times
- Been thanked: 402 times
A3 is diagnostic port for abs.
Engine codes should be read from A2(ecu) & A6 (ignition module).
Engine codes should be read from A2(ecu) & A6 (ignition module).
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS
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Clemens
- Posts: 1932
- Joined: 3 September 2015
- Year and Model: 96 855 R + 94 855 T5
- Location: Austria
- Has thanked: 473 times
- Been thanked: 219 times
Are the codes you are getting plausible?
If they are, it's weird but at least you can work with them. The blinky box in my 94 T5 is funky too, some ports that should work simply don't have a metal socket and therefore don't respond at all, and not all codes seem to have numbers that should be created by the specific port in use.
If they are, it's weird but at least you can work with them. The blinky box in my 94 T5 is funky too, some ports that should work simply don't have a metal socket and therefore don't respond at all, and not all codes seem to have numbers that should be created by the specific port in use.
Summer: 1996 855 R
Winter: 1994 855 T5M
Donor: 1995 854 10V
Winter: 1994 855 T5M
Donor: 1995 854 10V
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