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Surging engine on S80 at IDLE S80

posted by  someone claiming to be Gerry on  Wed Jan 8 02:27 CST 2003 [RELATED]

Recent discussion of surging at WOT contained a few comments regarding surging at idle and replacing throttle body. Just encountered this problem on 2001 2.9.

At 49K, had slight problem and dealer did software download. Now at 58K and out of warranty, surging has returned with vengeance. Dealer charged $200 for diagnosis and cleaning: "Should take care of it". I didn't even make it home before "Service Engine" message came on. So I returned to Dealer who said "Well, we have to try cleaning before we talk about replacing unit--which will be an additional $830, but I can work with you a little bit." I said #$!!!!*XXX. Dealer checking with Volvo but doubts company willing to cover replacement of throttle body despite first complaint made under warranty.

1. Gary in your post you said throttle bodies "are also known to be problematic": how can I substantiate that in argument with Volvo of America?
2. Any other ideas on getting VoA to help?
3. How expensive should replacement be? (Since you guys are talking about cleaning throttle unit yourselves without removing it from car, I guess I got hosed worse than I thought this morning. I figured $200 was worth it if it would solve the problem.)
4. Is it true throttle body cannot be replaced by non-dealer because it must be 'programmed' after installation?

Any Help will be appreciated.

Gerry--the frustrated-in-Indiana one








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    Surging engine on S80 at IDLE S80

    posted by  someone claiming to be Gary on  Wed Jan 8 17:04 CST 2003 [RELATED]

    VCNA knows all about the throttle unit problems and chances are good that if your service manager/writer contacts his rep, VCNA will decide to help out. I see that happen often. You originally had the problem under warranty so they can't deny that you tryed to have it fixed before.
    IMHO, trying to clean a throttle unit is nothing more than a complete waste of time, for both you and the tech, even though I've heard some VCNA people suggest that as an idea to "try first". The throttle units I've removed, none looked all THAT dirty and usually when they go bad (causing a code), the code says "internal fault" so it's an internal electrical fault. Volvo knows the unit has problems which is why it was re-designed for '02s on up.








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      Surging engine on S80 at IDLE S80

      posted by  someone claiming to be Gerry on  Fri Jan 10 03:11 CST 2003 [RELATED]

      Gary, thanks for your reply. Dealer called yesterday and District Rep says Volva will not replace unit. Guess I will have to contact VCNA directly.

      Gerry







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