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Welkman



Member Since: 02 Nov 2014
Location: Essex colchester
Posts: 332
United Kingdom 
Boost and Vacuum TD5
Hi,

Can anyone tell me what the vacuum side of a boost gauge can help diagnose? I.E if you have a vacuum showing what does that mean?
Post #679703 18th Jan 2018 7:21pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410
United Kingdom 
You shouldn't see an vacuum on a diesel, although I do remember my old 200tdi used to show a very small amount that I put down to instrument error. Cheap gauge.

What gauge do you have out of interest?
Post #679705 18th Jan 2018 7:28pm
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Welkman



Member Since: 02 Nov 2014
Location: Essex colchester
Posts: 332
United Kingdom 
I have a madman, a VDO engine oil temp and a STACK boost/vacuum. I am off to alive for a custom tune and wanted to make sure everything was monitored Smile
Post #679708 18th Jan 2018 7:41pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2193
2004 Defender 110 Td5 DCPU Epsom Green
Should show zero vac
Post #679719 18th Jan 2018 8:03pm
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