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98 S70 T5 So why did the check engine light not go off?

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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rmmagow
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Re: 98 S70 T5 So why did the check engine light not go off?

Post by rmmagow »

I'd have her go to Volvo for a code pull. Lurking tranny problems would be something to get in front of pretty quickly I'd guess. She should ask them to write down on the invoice all the codes discovered. They'd be in that "E" format right, the one where the code is pretty accurately described?
1998 V70 AWD 228K - Daily Driver
1985 Mercedes Benz 300D - 197K Off Road For Now Brakes Failed
1998 S70 135K - FOR SALE
2003 GMC Sonoma - 114K - POS
1958 Mercedes Benz 220S 66K Original and never to be restored.
2006 Saturn ION 5-Speed - 150K Son's weird little easy to fix car
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erikv11
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Post by erikv11 »

Typical causes of p0108 are MAF, IAC and the MAP (actually I think it is a baro sensor). If changing the MAF cleared it up then maybe the problem was indeed the MAF.
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6 :shock: 153k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
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cn90
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Post by cn90 »

MAF code is P0103:
http://www.obd-codes.com/p0103

MAP code is P0108:
http://www.obd-codes.com/p0108

There might be something in common between P0103 and P0108, but I am not aware of this fact.
2004 V70 2.5T 100K+
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SpeedyPete
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Year and Model: S70-T5, 1998
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Post by SpeedyPete »

So here is the plan of attack: 1- Check Tranny Fluid for level,color,smell,feel. All good 2- Check codes Replace MAP Sensor and clear codes. My daughter can handle this. Hopefully the CEL and codes will comply. Then :D and drive all is good !!! If not take it to the shop for a full diagnostic. Thank you all in Volvo Land, I will let you know how this turns out.
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rspi
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Post by rspi »

'95 855 T-5R M, Panther - 22/28 mpg, 546,000 miles
'95 955 T-5R Yellow Wagon, Lemonade, 180,000 miles
--------------------
Volvo's of past: '87 740 GLE, '79 262C Bertone, '78 264, 960's, '98 S70 GLT, '95 850 T-5R YellowVolvo Repair Videos
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SpeedyPete
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Post by SpeedyPete »

Thank You RSPI ! This will help my daughter for sure!
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rspi
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Post by rspi »

I have made several video's for my daughter. ;)
'95 855 T-5R M, Panther - 22/28 mpg, 546,000 miles
'95 955 T-5R Yellow Wagon, Lemonade, 180,000 miles
--------------------
Volvo's of past: '87 740 GLE, '79 262C Bertone, '78 264, 960's, '98 S70 GLT, '95 850 T-5R YellowVolvo Repair Videos
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mecheng
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Post by mecheng »

rspi wrote:Just the direction I figured you would go. Driving 50 miles with a CEL with NO CODE will cause a lot of trouble? This is exactly why I had you on my blocked/ignore list for about 60 days. I guess I will reactivate that feature. Sail on...
You guys should race for Pinks to settle your differences!


.......Monica!!!!
.......VTEC just kicked in yo!
1998 Volvo S70 T5 - SE - 240km - Sold July 2018
1997 Volvo 850 GLT - 190km
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rmmagow
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Post by rmmagow »

I like that! Race for Pinks, that's how we did it back in 1962, pinks and beers (and no ga dang seat belts you fairy!) :-)
1998 V70 AWD 228K - Daily Driver
1985 Mercedes Benz 300D - 197K Off Road For Now Brakes Failed
1998 S70 135K - FOR SALE
2003 GMC Sonoma - 114K - POS
1958 Mercedes Benz 220S 66K Original and never to be restored.
2006 Saturn ION 5-Speed - 150K Son's weird little easy to fix car
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abscate
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Post by abscate »

Mod note - deleted/edited a couple of posts from people who had been working on their volvos too much.

Play nice in the sandbox of emptied EVAP charcoal canisters please.
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