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Mechanic replaced '02 V70 steering rack - now car won't idle right ... V70-XC70 2002

posted by  someone claiming to be Bernie on  Mon Oct 23 08:46 CST 2017 [RELATED]

Hello BB forum. 'Just had my son's 2002 V70 (235K miles) wagon's steering rack replaced, and the mechanic informed me the car won't idle properly now (bummer!). He doesn't think 'its anything he did', but I noticed the clock on the instrument panel was reset (he probably left the ignition ON - he did admit he had to charge the battery, but didn't disconnect terminals). Question: may a dead battery be the root cause for this poor idling? Does the car require multiple starts to reset the ECM?

Thanks.

Bernie








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    Mechanic replaced '02 V70 steering rack - now car won't idle right ... V70-XC70 2002

    posted by  KlausC on  Mon Oct 23 09:51 CST 2017
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    last visit: Fri Oct 24 10:15 CST 2014
    [RELATED]

    A low battery can affect the computers. Jump starting the engine with a very low battery will not charge the battery enough to get the computers to act right. Have them charge the battery, trickle charge, until the battery is at 12.5V.

    The clock being reset to 12:00 is a good sign that they left the key in posI, so that they could move the steering wheel. 6-8 hours of that and the battery will be too low to start the engine, and an attempted start will just get the battery below 9V.

    There are other things to cause stumbling at idle, but you won't know until the battery is correct.

    --
    Keeping it running is better than buying new








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      Mechanic replaced '02 V70 steering rack - now car won't idle right ... V70-XC70 2002

      posted by  someone claiming to be Bernie on  Mon Oct 23 10:02 CST 2017 [RELATED]

      Hi Klaus. The mechanic did indicate that they charged the battery correctly - in fact the car starts right up - with plenty of "umpf". Maybe I need to re-phrase my question: is there anything a non-Volvo mechanic must do to reset the ECM's? Or will I need to take the car to a Volvo dealer to get this looked at?

      Thanks.

      Bernie








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        Mechanic replaced '02 V70 steering rack - now car won't idle right ... V70-XC70 2002

        posted by  someone claiming to be Gerard on  Mon Oct 23 18:31 CST 2017 [RELATED]

        The car might need a computer reset, do a soft boot , its in your your owner manual.








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          Mechanic replaced '02 V70 steering rack - now car won't idle right ... V70-XC70 2002

          posted by  someone claiming to be Bernie on  Tue Oct 24 05:58 CST 2017 [RELATED]

          Hi Gerard. Doing a "soft-boot" sounds easy enough ... except I don't have the owners manual ...:) What is the procedure?

          Thanks.

          Bernie








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            Owners manuals are online V70-XC70 2002

            posted by  KlausC on  Wed Oct 25 08:58 CST 2017
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            last visit: Fri Oct 24 10:15 CST 2014
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            http://volvo.custhelp.com/app/homeV3

            Just plug in the year. the manual is in PDF format and can be saved to your hard drive.
            --
            Keeping it running is better than buying new








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            Mechanic replaced '02 V70 steering rack - now car won't idle right ... V70-XC70 2002

            posted by  someone claiming to be Gerard on  Tue Oct 24 08:30 CST 2017 [RELATED]

            Disconnect battery, leave it 10 minutes to
            Dissipate charge, turn sign switch to pos 2and connect battery.

            You might want to Google it in case I committed something, you can also find the manual online, volvo.com or something like that. I got my manual from the junkyard.








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              Mechanic replaced '02 V70 steering rack - now car won't idle right ... V70-XC70 2002

              posted by  someone claiming to be Bernie on  Wed Oct 25 11:49 CST 2017 [RELATED]

              Hello Gerard. I checked the online Volvo operators manual (per link from Klaus), and there is no mention of a soft reset procedure anywhere. Since I don't want my mechanic to be 'chasing a rabbit down the wrong hole', can you please provide a link (or snap-shot) of what you are referring to?

              'Kindly appreciated ...

              Bernie







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