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850 stops accelerating

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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dman123
Posts: 16
Joined: 27 November 2006
Year and Model:
Location: Canada

850 stops accelerating

Post by dman123 »

Hello there! Maybe someone out there has experienced something similar... For some reason my 850 will stop accelerating at around 5000rpm. Te turbo kicks in and it pulls well in the lower rpms, but then it wiill suddenly stop pulling and eventually the transmission will shift (but not smoothly...) It's a 1994 850 turbo. I've changed the plugs (I'm going to try the wires, rotor, ditributor but I have a feeling it isn't that). I've look at the vacuum connections and maf. They seem fine. If I hammer on the gas a few times, the problem seems to subside... Any ideas. Thanks.

MadeInJapan
MVS Moderator
Posts: 13434
Joined: 31 March 2005
Year and Model: '98 S70 T5 '07S40T5
Location: Knoxville, TN American but born in Japan
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Post by MadeInJapan »

Did it ever go past 5000 rpm's? Sounds like the limiter is kicking in to me.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo

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