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How many Vacuum solenoids?
#1
Hi Folks,

I'm also not sure about how many vacuum solenoids there are. in my 2001/2, 2.0 hdi dw10

Theres one on the battery for the egr then i seem to have another one that fits on a blue connector at the drivers side end of the 
loom.

is one for the butterfly valve in the inlet manifold and one for the egr? Or do i have an extra one?


I've read the haynes a lot but its a bit hit and miss with info and there are no decent pictures/diagrams of how everything is connected.

I should have probably written it down when i took it apart! Smile

either way the egr has been blanked and the butterfly valve is not in use. so the real question is what do you connect/disconnect to make the ecu think everything is ok?

Thanks!
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#2
Short answer is "connect everything" ECU will throw up faults if anything not connected (unless it's been deleted in the ECU)
[-] The following 1 user says Thank You to Col for this post:
  • tortoise365
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#3
Do you have the engine light on?

On some 2.0hdi's you can disconnect the vacuum pipe from the egr without any problems but if yours has a butterfly valve in the inlet i doubt you can disconnect that without it being mapped out of the ecu like Col says.
[-] The following 1 user says Thank You to polar for this post:
  • tortoise365
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#4
Hi,
Thanks for the advice, i've ordered a diagnostics tool also!
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