Quote:
Originally Posted by Arthur Dalton
Don't assume EGR tube blockage until you have tested it. There are several other EGR faults on 104s that will bring u a code 5. Along with a Factory TSB part up-grade for EGR code. I will post a basic EGR flow test , if you are interested in diagnosing the fault before you go for a tube blockage repair.
Or go for the possible blockage and see if that solves it ..and if not, then repost you have the CE/code 5 again ant then you can do the flow test.
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I'll wait for your flow test. 
My "clogged pipe" assumption is based on the "most likely" scenarios I've read in various EGR threads. If that turns out to be the problem, I'd probably prefer a tube replacement over a cleanout, since both seem to be equally tedious DIY jobs.
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2008 E350 4matic / Black/Anthracite
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Gone but not Forgotten:
2001 E430 4matic, 206,xxx miles, Black/Charcoal
1995 E320, 252,xxx miles, Black/Grey
1989 260E, 223,00 miles, Black/Black
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