D5 (2005 on) - D5 power loss issue

andycoop62 · Jun 19th, 2017, 18:53

further to the multitude of posts regarding this issue, I also have this on my 2007 S80 D5 185bhp. Started suddenly last week, I have had it serviced and fuel filter changed but just does it intermittently. I have noticed that when the fault is on the "instantaneous mpg" is unrealistically high and the auto gearshift goes to hell. Had a good look over the motor today and found an electronic valve at front left of the engine with a plastic linkage which was disconnected. I reconnected it feeling delighted with myself, took it for a drive and all was great. Stopped for literally 2 minutes and restarted and all to hell again, no power and the linkage is still connected. Can anyone tell me what this valve is and if its likely to have any bearing on this problem? rapidly becoming disillusioned with Volvo even though I have owned them for over twenty five years!! There are no engine related fault codes logged either.
I was trying to upload a photo of the valve but the forum won't let me for some reason??

Jun 19th, 2017, 18:53	#1
andycoop62 Andycoop62 Last Online: Jan 10th, 2024 18:03 Join Date: Jul 2010 Location: Kinlochleven	D5 power loss issue further to the multitude of posts regarding this issue, I also have this on my 2007 S80 D5 185bhp. Started suddenly last week, I have had it serviced and fuel filter changed but just does it intermittently. I have noticed that when the fault is on the "instantaneous mpg" is unrealistically high and the auto gearshift goes to hell. Had a good look over the motor today and found an electronic valve at front left of the engine with a plastic linkage which was disconnected. I reconnected it feeling delighted with myself, took it for a drive and all was great. Stopped for literally 2 minutes and restarted and all to hell again, no power and the linkage is still connected. Can anyone tell me what this valve is and if its likely to have any bearing on this problem? rapidly becoming disillusioned with Volvo even though I have owned them for over twenty five years!! There are no engine related fault codes logged either. I was trying to upload a photo of the valve but the forum won't let me for some reason?? Last edited by andycoop62; Jun 19th, 2017 at 18:59.

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