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850 Turbo ECU identification

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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budoboy
Posts: 16
Joined: 27 February 2021
Year and Model: 1994 850 Turbo
Location: Rolling Meadows
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850 Turbo ECU identification

Post by budoboy »

I have been looking around for a spare ECU and I have noticed that many of the listings show the 1994 850 Turbo ECU (ending in 072) is for 94-96 cars. This is confusing since the 94 and 95 had EGR, but the 96 did not. I was wondering if there is a way to determine from the serial number or other identifier on a ECU whether the ECU is for a 94/95 or a 96? Possibly something like serial numbers after a certain number are 96?

Thanks,

Bryan
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misha
Posts: 5379
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Year and Model: '97 850 2.5 20v
Location: Serbia
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Post by misha »

T number reveals the year:
IMG_20240915_235745.jpg
T95 for '95.
T96 for '96 and so on.
'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
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budoboy
Posts: 16
Joined: 27 February 2021
Year and Model: 1994 850 Turbo
Location: Rolling Meadows
Has thanked: 2 times
Been thanked: 2 times

Post by budoboy »

Thanks, Misha.

misha wrote: ↑15 Sep 2024, 15:58 T number reveals the year:
IMG_20240915_235745.jpg
T95 for '95.
T96 for '96 and so on.
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