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850 t5 conversion

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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misha
Posts: 5379
Joined: 7 December 2008
Year and Model: '97 850 2.5 20v
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Re: 850 t5 conversion

Post by misha »

It would start for 2 seconds and die when immobiliser,chipped key or antenna ring have faults.
'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

Seany27
Posts: 47
Joined: 14 December 2017
Year and Model: 1995 volvo 850
Location: Desertmartin
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Post by Seany27 »

But I wouldn't be getting a spark

scot850
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Year and Model: 2000 V70 R
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Post by scot850 »

Is the car an automatic or manual trans. Have you changed the type of trans say from an auto to a manual?

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

tryingbe
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Post by tryingbe »

Seany27 wrote: 19 Dec 2017, 15:02 But I wouldn't be getting a spark
How long can you keep the car running if you continue to give it fuel?
85 GLH, 367 whp
00 Insight, 72 mpg

Seany27
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Year and Model: 1995 volvo 850
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Post by Seany27 »

The cars a manual, but the harness is from an auto, I've already wired up the pnp switch and reverse lights, soldered and sealed.

Seany27
Posts: 47
Joined: 14 December 2017
Year and Model: 1995 volvo 850
Location: Desertmartin
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Post by Seany27 »

I wasn't able to put more fuel in, everytime I put fuel in was by taking the spark plugs out or the injectors

Seany27
Posts: 47
Joined: 14 December 2017
Year and Model: 1995 volvo 850
Location: Desertmartin
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Post by Seany27 »

Starter fluid banged in today, still cuts out after a few seconds, good spark, going to check if the ecu has an immobiliser, anyone know where to start with that?

Seany27
Posts: 47
Joined: 14 December 2017
Year and Model: 1995 volvo 850
Location: Desertmartin
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Post by Seany27 »

New wiring loom got today from a 95 t5. The other wiring loom is thought to be 96+, wish this rain would piss off so I can get on with it

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wizechatmgr
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Year and Model: 1999 V70 XC AWD 2.4T
Location: Albany, NY area
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Post by wizechatmgr »

It will, to be replaced with s**w... Stick with the rain, it is the better of the two evils!
Wisdom requires knowledge as a prerequisite, but knowledge can be developed due to a lack of wisdom.
In order to learn how to fix something, you must first learn how to break it.
1999 V70 XC AWD 2.4 T -- ~231k miles
1998 V70 2.4 NA -- ~184k miles

Seany27
Posts: 47
Joined: 14 December 2017
Year and Model: 1995 volvo 850
Location: Desertmartin
Has thanked: 3 times

Post by Seany27 »

Same problem with the 95 harness, can't get a break. Going to see a guy at volvo on Monday, see if I can get any answers. Oh and it's definitely not immobiliser.

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