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Fuel / Gas in oil?

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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scot850
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Joined: 5 April 2010
Year and Model: 2000 V70 R
Location: Calgary, Alberta, Canada
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Re: Fuel / Gas in oil?

Post by scot850 »

Personally I would run the car and see what happens. You could do an early oil and filter change as Misha wisely mentions and have the oil checked so you know what daily driving does. Or, prior to draining the oil, take the car for a good long run and get the engine rally warm, then drain the oil and have it analysed.

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
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ThaddeusTheBold
Posts: 60
Joined: 23 March 2022
Year and Model: 1999 S70 T5
Location: Saint Paul
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Post by ThaddeusTheBold »

Hey,

My guess would be tired injectors. Start simple, run a bottle of techroline through the fuel system and clean things up. It may run a little rough during that tankful but that's because it's doing its job and cleaning up the needles in your injectors.

I bought my V70 last Saturday and the first thing I did was dump a bottle of that stuff in when I filled the car up for the first time on Sunday.
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