Volvowholesaleparts.com http://www.volvowholesaleparts.com/partlocator/index.cfm?action=getJointLocator&siteid=213784 you may need to input the year, and model, and input keywords of throttle module. Ebay: http://cgi.ebay.com/ebaymotors/New-Volvo-Throttle-Body-8644347-60-70-80-Series-_W0QQcmdZVi...

Hi folks, Thanks for all your help and advices, I checked all the ignites and coil today, but nothing is wrong, so I went to volvo dealership for a diagnosis for 100 bucks. The result shows that the defective/shorted electronic throttle module, the estimate is about $810 for part and $200 for a 3.5 ...

thanks man.

by the way, what's CEL?

Yes, rutinely it shakes, but after the maintainance, the idle stays at 1500rpm. The spark seems to be covered by big cover, I need to unscrew the nuts and unplug them?
Thanks.

I checked the sensor on the plenum tube, all should be fine. On the other hand, I went to maintainance the other day, a guy adjusted the idle, it stays on 1500 rpm now rather than 600-700 previously. But it still does not work, it seems like no matter how you push the pedal, it just dont accelarate....

You mean the sensor become loosen or the plenum tube?
Somebody told me it may because of the fuel pump or the fuel filter, I will try your suggestion first, thanks.
You have a great day.

I replaced a new one, it does not work, still the same situation, what should i do?

Hi all, My car (1999, S80, 2.9L) has two error codes, one is "air bag service urgent", the other is "Alarm system service required". It does not affect driving, but it looks ugly over there. Has anyone met this before? I have a code reader, but it can not read anything. How can I...

Thanks,