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1997 850GLT - P0410 left and returns

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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maldal
Posts: 2
Joined: 7 August 2013
Year and Model: 850, 1996
Location: Dallas, Texas

1997 850GLT - P0410 left and returns

Post by maldal »

Everyone,

I'm at a loss to this. Long time lurker, first time poster and user of the great tutorials on this site.

I have a 1997 Volvo 850 GLT AT with approx. 165k miles.

So, I had the P0410 code come on. Checked the database here, and purchased the three major parts as well as some new vacuum hoses. I went through and noticed that all three of the vacuum hoses were likely original so I replaced them all when I was replacing a defective PnP Switch.

When I finished the PnP Switch, restarted the car, and the code went away for over a month of city and highway driving. So, I returned the parts. But, the code is back.

I'm loathe to replace everything, which I probably should have done when I was replacing the PnP switch, but I digress.

Is there any way to check the other parts of the system without ripping everything apart?

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