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Code 3-1-5 - 1994 Volvo 850 Turbo

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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Conan
Posts: 1
Joined: 8 March 2004
Year and Model:
Location: Santa Rosa, CA

Code 3-1-5 - 1994 Volvo 850 Turbo

Post by Conan »

Hi. Recently, my Check Engine light came on.

Allow me to explain the circumstances. I was doing some spirited driving, so I decided it'd be best to let the car idle for two or so minutes after I put it in park, so as to cool the turbocharger down a bit. Two minutes into the idle, I was reaching for the ignition to turn off the car, when alarmingly, the Check Engine light came on. I turned the car off and went to do some research.

I found out how to check the codes myself, and came up with the A2 code 3-1-5. I looked it up, and found it to be the EVAP emission control system. Any clues as to what could be causing the problem, and what possible steps I could take to fix it? I searched through all the other threads and found none of them relating to the code 3-1-5. I drove the car this morning out of necessity and it ran fine, though the initial idle was a bit dodgy (tach jumped a bit from 500 to 1,200 before settling around 900 two-seconds after start-up). Someone told me to check all vacuum hoses, so I'll try that. I'll also go and get some STP Injector Cleaner Fluid. Any other help would be appreciated. :)

Guest

Post by Guest »

diddo. I have the same code!

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matthew1
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Year and Model: 850 T5, 1997
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Post by matthew1 »

you said you searched already, but here's a list of 'evap' hits in this forum:
https://www.matthewsvolvosite.com/chat/p ... de=results

this also might have something:
http://au.geocities.com/ozbrick850/misc-95Vs96.html
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1998 V70, no dash lights on

1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace

2004 V70 R [gone]

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