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Problems surrounding the Turbo Control Valve and Vacuum Lines

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- 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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mitch944
Posts: 9
Joined: 06 Nov 2015, 11:32
Year and Model: 1999 S70
Location: Omaha, NE

Re: Problems surrounding the Turbo Control Valve and Vacuum Lines

Post by mitch944 »

erikv11 wrote: 24 Sep 2018, 12:19 Thanks for reporting back! All good now with them switched back?
Sadly not good. The symptoms of a bad MAF are all there but I put a replacement one in today, cleared the codes, and the symptoms all still there. runs not great with the MAF unplugged but at least it doesn't stall.

It's a real head scratcher

VTs70T5M
Posts: 27
Joined: 28 May 2019, 13:02
Year and Model: 1998 s70 t5m
Location: Vermont
Has thanked: 2 times
Been thanked: 3 times

Post by VTs70T5M »

Still have brakes? If lose complete vacuum youll lose brakes and will run like poop. I had vacuum plug under intake at side by power steering pump blow out. Not fun... Have new manifold but popped plug back in used jb weld. Someday ill pull manifold and replace..

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