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ETS light but no codes, engine runs fine. Stumped. S70

posted by  flinch on  Tue Mar 31 07:25 CST 2009
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last visit: Tue Aug 23 20:19 CST 2011
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1999 S70 Turbo, 126k: Trying to get this car sold, so I fixed the no-start problem, which was a fuel pump relay. Car runs fine and starts right up.

After 10-20 minutes of driving the ETS light comes on. No engine stumbling, surging, or anything other than normal operation. I used my generic code reader that has grabbed all other Volvo codes for me in the past, and no code!. I can erase the light, but it comes back after driving for a while, and still no codes.

I've read of others suspecting a brake switch problem that for some reason makes the ETS light come on. Also have seen references to the dreaded 'throttle body death march'.

Do these symptoms point to anything specific, or is my S70 haunted?

Is a throttle body cleaning in order, or do I just nuke the barstard?

Your clues appreciated!

Flinch

PS I'm 300 miles from the nearest dealer - so visiting them is out.

'88 740 Turbo (sold), '89 240 (sold), '93 940 (sold), '87 850, '99 S70 AWD Turbo.







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    ETS light but no codes, engine runs fine. Stumped. S70

    posted by  KlausC on  Tue Mar 31 07:53 CST 2009
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    last visit: Fri Oct 24 10:15 CST 2014
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    Because you cannot get to a dealer, go ahead and clean the throttle body. The dealer would do that anyway and download new software for the ETM.

    Volvo covers the unit for 10years and/or 200K miles. Check your build date, it is almost 10 years!
    --
    My name is Klaus and I am a V ♂ lv ♂ holic.








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      ETS light but no codes, engine runs fine. Stumped. S70

      posted by  flinch on  Tue Mar 31 09:23 CST 2009
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      last visit: Tue Aug 23 20:19 CST 2011
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      Unfortunately the car was purchased in 1998 - so am 'ew-scrayed' re the Volvo replacement.

      I've read that the cleaning doesn't work - eh?

      Replacement ETM's appear to be scarce, checked FCPGroton but they don't list one. XeMODex makes a non-contact one that has good reviews so far. Doesn't need software updating either.

      Any comments re replacement ETM sources?

      Geez Klaus - seems like you are my personal Volvo guru (the recent fuel relay fix tips in mind)...do you work on F250 diesels too? Harrrrr-harrrr ;>

      Many thanks -

      Flinch

      PS What a pain - just want to sell it, not rebuild the critter! Don't want to screw the next guy tho - a major ethical failing of mine.....

      << Every time I drive my Volvos I hear this crackling noise...like the sound of crisp $100 bills being crumpled up and handed over to the service department...>>








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        ETS light but no codes, engine runs fine. Stumped. S70

        posted by  KlausC on  Tue Mar 31 10:41 CST 2009
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        last visit: Fri Oct 24 10:15 CST 2014
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        Cleaning the ETM strip won't work at all. The Xemodex from Canada sounds really good. Especally when a dealer is not in the area.

        You could let the next owner make that decision and just discount the sale by $500???
        --
        My name is Klaus and I am a V ♂ lv ♂ holic.








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          ETS light but no codes, engine runs fine. Stumped. S70

          posted by  flinch on  Tue Mar 31 13:10 CST 2009
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          last visit: Tue Aug 23 20:19 CST 2011
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          Unfortunately we live in an *area where Volvos are looked at as 'furrin car' transportation, not as, well, Volvos. Not many/any 'understanding' Volvoholics; the light would scare off anyone, methinks. Besides myself, one other person in town owns a Volvo...and it only has two wheels.

          I don't mind doing the work once I find out what is wrong - have done most all our car repairs for years - it is generally the diagnosis I suck at. Oh yeh, also don't like the cost.

          I think I'll go with the replacement unit: just got email from them - $599 plus shipping one way. Beats three of a kind, or the odds at the Volvo Service Desk.

          I would advertise this as a good kids car, or reliable work transportation - so feel bad if it crapped the sheets on someone for a known bad part going out. I gotta get over being a nice guy! I have a car selling rule: "Never sell a broken $200 car - give it away - less hassle!" Long story...

          Wish we could keep both Volvos - but have five vehicles between the two of us. Our '97 850 was bought new, 96k on ODO, and runs fine, daily driver. Have two newer Volkswagons in the garage doing nothing, and a 'work' truck (which is a funny term - since my wife and I both got laid off the same day last Jan). Love all the cars (except the S70 - and love it only when it runs good), and are agonizing over which two to let go after the S70.

          Will of course post the results, but might be a week or so.

          Thanks again,

          Flinch

          *Not to say our town is remote, but we only have half a zip code. The town is so small that there's not enough room to change your mind. How small is it? - So small that leprechauns get claustrophobic. Bada-BOOM !








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            ETS light but no codes, engine runs fine. Stumped. S70

            posted by  LilHelpHere on  Tue Mar 31 14:35 CST 2009
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            last visit: Wed Oct 15 22:09 CST 2014
            [RELATED]

            Have you read all this?
            http://www.matthewsvolvosite.com/forums/viewtopic.php?f=12&t=17252
            and this
            http://www.matthewsvolvosite.com/forums/viewforum.php?f=12
            hope there's something in there that helps


            --
            '97 855na, Mobil 1, K&N, various IPD's and eBay's







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