1996 Volvo 850 will not start in cold
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VdubTheran
- Posts: 16
- Joined: 8 January 2019
- Year and Model: 1996 850 sportswagon
- Location: KY
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VdubTheran
- Posts: 16
- Joined: 8 January 2019
- Year and Model: 1996 850 sportswagon
- Location: KY
I took it for a little ride around the neighborhood and it got me back home but as the boost gauge gets to the white it misses like a sob and i have to back off.
Last edited by VdubTheran on 10 Jan 2019, 11:41, edited 1 time in total.
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xHeart
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Golden-German Shepherd | 2021 XC90 T6 INSCRIPTION (Nexa) | 2020 V60CC (Frska) | 2013A XC90 (Lktra)
Past: Golden Retriever | 2001 V70XC | 1997 Volvo 854 | 1989 Volvo 740 GL | 1979 Volvo 240
Golden-German Shepherd | 2021 XC90 T6 INSCRIPTION (Nexa) | 2020 V60CC (Frska) | 2013A XC90 (Lktra)
Past: Golden Retriever | 2001 V70XC | 1997 Volvo 854 | 1989 Volvo 740 GL | 1979 Volvo 240
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VdubTheran
- Posts: 16
- Joined: 8 January 2019
- Year and Model: 1996 850 sportswagon
- Location: KY
Cleared codes for the restart no cel, service light and tracs off light still on. Still cant handle boost.
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misha
- Posts: 5379
- Joined: 7 December 2008
- Year and Model: '97 850 2.5 20v
- Location: Serbia
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No...that's NOT IAT.xHeart wrote: ↑10 Jan 2019, 11:27 In our '97 850 there is a IAT sensor #6A with barn door located where fresh air enters the air box. Unless it's a myth, to assist with colder condition cold-start the barn door closes and then a more friendly temp air is drawn from via the silver foil tube.
Item 20 in this diagram:
Penzzoil EURO 5W40 motor oil worked this morning too.
IAT is ONLY used in 10v and turbo cars.
That's thermostat for air filter housing flap.It helps engine to reach operating temperature more quickly....by using air from hot exhaust manifold.....when engine reach operating temperature,that thermostat closes and engine breath via fresh air snorkel.
Last edited by misha on 10 Jan 2019, 14:36, edited 1 time in total.
'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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abscate
- MVS Moderator
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- Year and Model: 99: V70s S70s,05 V70
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I don’t think it is used at all on turbos though, is it?
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
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misha
- Posts: 5379
- Joined: 7 December 2008
- Year and Model: '97 850 2.5 20v
- Location: Serbia
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I was talking about IAT...this isn't IAT.
I edited post to avoid confusion.
'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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VdubTheran
- Posts: 16
- Joined: 8 January 2019
- Year and Model: 1996 850 sportswagon
- Location: KY
Today its alot harder to start. I let it sit for a couple of days without starting it.
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Sommerfeldt
- Posts: 1148
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- Year and Model: 2018 S90 T8
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Have you checked all your hoses? Eliminating the ECT sensor, I still think it sounds like a vacuum leak. If you run into issues when it crosses into boost, pay special attention to the hose from compressor housing to TCV (port just below and to the left of the intake on the turbo). It’ll seriously mess with you if that’s either clogged or leaking).
Disregard xHeart’s posts and the resulting exchange - they don’t apply to turbo cars.
- S
Disregard xHeart’s posts and the resulting exchange - they don’t apply to turbo cars.
- S
2018 S90 T8 Inscription - glossy black with amber interior and dark as night rear windows.
[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
[Gone] '95 855 T5-R - one of the black ones... sadly stolen and wrecked.
[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
[Gone] '95 855 T5-R - one of the black ones... sadly stolen and wrecked.
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VdubTheran
- Posts: 16
- Joined: 8 January 2019
- Year and Model: 1996 850 sportswagon
- Location: KY
Are you talking about the braided line that connects to the turbo housing? That is the only one i didnt replace because i didnt have a replacement for it. Could you leave a link to purchase it?
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