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Diesel Engines A forum dedicated to diesel engines fitted to Volvo cars. See the first post in this forum for a list of the diesel engines. |
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New Turbo Fitted now permanent limp modeViews : 8511 Replies : 104Users Viewing This Thread : |
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Mar 6th, 2016, 11:03 | #1 |
WebbyD5
Last Online: Dec 11th, 2016 21:44
Join Date: Mar 2016
Location: wigan
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New Turbo Fitted now permanent limp mode
Hi guys,
I am a new member and I currently own 2 volvos, 1 of which is causing me a lot of headache. It's a 2001 S60 D5 S. All I kept getting is the dreaded EM6805 code after 2 weeks of owning it and have now spent 6 months and lots of £££ trying to suss were to go next. After reading a lot if threads on this site I have decided to post my progress so far and see if I can get this bloody car working again as it should. It started throwing up the engine service required message when I was going over 70 mph on the motorway or when I gave it some beans and took the revs over 3000 rpm. I have checked and replaced so far going off the forum posts... Both front and rear engine mounts Vac lines Vac control unit Turbo control module Turbo Fuel filter Part blanked the egr Checked all hoses and clips Pressure tested intercooler After trying all the above the last resort was the turbo. I had read about the vnt's becoming coked up so I gave it a bash. 1 mishap later and the turbo was smashed whilst trying to expose the internals. So I bought a good condition second hand turbo from eBay. Cleaned it externally and checked shaft and actuator. Everything was sound and moved freely. The last job that I carried out was the turbo. It ran fine and with plenty of power for at least 2 miles then.... engine service required and now is in permanent limp mode. I also changed the oil and filter for the second time in 6 months but now - No power no turbo noise nothing. I have read the codes it was throwing up and its the same every time 6805 boost control pressure faulty. I am at the end of my tether with it now and just want the dam thing to work! I think I have had 2 weeks since owning it that it has really worked properly. Any advice would be much appreciated. Cheers Dave |
Mar 6th, 2016, 11:23 | #2 |
Premier Member
Last Online: May 10th, 2022 21:01
Join Date: May 2009
Location: Wiltshire
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What about the MAP sensor? A faulty unit or split pipe to it would cause your problems.
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Mar 6th, 2016, 11:40 | #3 | |
WebbyD5
Last Online: Dec 11th, 2016 21:44
Join Date: Mar 2016
Location: wigan
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Quote:
Cheers Dave |
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Mar 6th, 2016, 12:07 | #4 |
Premier Member
Last Online: May 10th, 2022 21:01
Join Date: May 2009
Location: Wiltshire
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Not the maf the MAP (manifold absolute pressure) sensor
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Mar 6th, 2016, 12:19 | #5 |
WebbyD5
Last Online: Dec 11th, 2016 21:44
Join Date: Mar 2016
Location: wigan
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Oh right, sorry Martin I've not come across this in any forum (pardon my ignorance) but where is this sensor located? Is it the one in the cold air feed pipe just before the turbo?
Cheers Dave |
Mar 6th, 2016, 12:37 | #6 |
Premier Member
Last Online: May 10th, 2022 21:01
Join Date: May 2009
Location: Wiltshire
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I imagine it's on the intercooler on yours or maybe a pipe coming off the inlet manifold. Basically it tells the ecu how much boost pressure there is, this in turn sends a signal to the boost controller to regulate the boost pressure.
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