I know this subject has been done to death but in searching I still don't seem to have found a definate answer- can you disable the EGR on the early versions of the N/A OM606 by just plugging the vacuum line to the valve? (there is no sensor on the valve, same as the '95 606's you got in the states I believe)

cheers

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1993 320TE M104
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past:

1983 230E W123 M102
1994 E300D S124 OM606 (x2)
1967 250SE W108 M129
1972 280se 3.5 W108 M116
1980 280SE W116 M110
1980 350SE W116 M116
1992 300E W124 M103
1994 E280 W124 M104
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"music and women I cannot but give way to, whatever my business" -Pepys

bumpety-bump...

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1993 320TE M104
---------------------------------------------------
past:

1983 230E W123 M102
1994 E300D S124 OM606 (x2)
1967 250SE W108 M129
1972 280se 3.5 W108 M116
1980 280SE W116 M110
1980 350SE W116 M116
1992 300E W124 M103
1994 E280 W124 M104
----------------------------------------------
"music and women I cannot but give way to, whatever my business" -Pepys

Not sure on the 94, but if you disconnect the vacuum lines, it will throw a code. Best bet is to check out the fresh air mod.
http://www.peachparts.com/shopforum/showthread.php?t=78476&page=2&pp=15&highlight=egr+606

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2002 G500 74K
1998 E300 200K and rising
1995 S600 73k


"Some people spend an entire lifetime wondering
if they've made a difference. The Marines don't
have that problem."-Ronald Reagan

"Never tell people how to do things. Tell them
what to do and they will surprise you with their
ingenuity."-General George S. Patton

Have just plugged the egr vacuum line on my '95 606 for test purposes after I cleaned the intake 22k mi ago and no problems. I expect that this will be an extended test..

Bill

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Bill Brune

86 190D 2.5 5spd 314k
87 190DT 150k
87 300SDL 357k
95 E300D 115k
02 Jetta TDI 90k
99 Subaru Legacy

On my '97 I can't plug the vacuum line as the engine runs differently and throws a CEL. Re-routing the tube coming off the manifold going into the EGR was the ticket for mine. Everything is still functional and the EGR now draws fresh air

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#dieselFLEET
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'97 E300
'99 E300