1999 v70 NA stalls, no codes [ bad MAP vacuum hose] Topic is solved

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, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Dimi2233
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Year and Model: 1999 V70
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1999 v70 NA stalls, no codes [ bad MAP vacuum hose]  Topic is solved

Post by Dimi2233 »

Hello Volvo Forum
I have Volvo 1999 , V70 2'4 l. , At low speed on Parking Lot RPM Indicator starti bouncing up and down, when I put in Parking gear ,The Engine STOP with three light on Battery, Oll Pressure ,D 2 Arrow
No code Store on History.
Somebody know what cam be the problem,
Thanks Dimi

Dimi2233
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Year and Model: 1999 V70
Location: Suunyvale CA
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Post by Dimi2233 »

The problem was leaking vacuum hose between Manifold and pressure switch on top off Radiator.

David

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abscate
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Post by abscate »

Thanks for the report back David. I’m guessing you have a base non Turbo model 1999?

That’s hose usually pops a code for the pressure sensor reading off thehose leaks.
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greg850r
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Post by greg850r »

If you don't want to chase similar problems going forward, buy a silicone hose kit from one of the sponsors at the top of this page and start replacing them all. it's 20 years old and the one that failed is the tip of the iceberg.
05 Cross Country wagon
99 C70 Convertible
96 850R wagon
96 850T wagon
96 850 GLT 5spd N/A sedan
97 850R 5spd sedan
66 GTO 421SD 4spd
67 GTO 455 T400
02 Powerstroke 4x4
85 Yota 4x4
24' 454 Challenger
07 Softail Custom
02 Sportster Custom
Parts cars not included

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