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Can code 6805 be caused by bad engine mounts?

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Old Jan 19th, 2020, 20:11   #1
adrian198
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Default Can code 6805 be caused by bad engine mounts?
Hey all,

scanned my Xc90 D5 2005 and it had a 6805 fault code. I found out my front engine mount's vacuum has gone and the the turbo control valve / boost pressure valve feeds the engine mount.

I've changed the TCV before but I still have the code. Can the engine mount be the reason I still have the code?

Adrian
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Old Jan 19th, 2020, 20:52   #2
ca2n
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Originally Posted by adrian198 View Post
Hey all,

scanned my Xc90 D5 2005 and it had a 6805 fault code. I found out my front engine mount's vacuum has gone and the the turbo control valve / boost pressure valve feeds the engine mount.

I've changed the TCV before but I still have the code. Can the engine mount be the reason I still have the code?

Adrian
A handy flowchart is a couple of posts below in this thread:

https://www.volvoforums.org.uk/showthread.php?t=299846
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Old Jan 19th, 2020, 21:26   #3
Clan
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Originally Posted by adrian198 View Post
Hey all,

scanned my Xc90 D5 2005 and it had a 6805 fault code. I found out my front engine mount's vacuum has gone and the the turbo control valve / boost pressure valve feeds the engine mount.

I've changed the TCV before but I still have the code. Can the engine mount be the reason I still have the code?

Adrian
Indded yes amongst probably 10 causes , its a general boost pressure fault code .
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Old Jan 19th, 2020, 23:37   #4
adrian198
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Always helpful!

Thanks boys
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