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Old 09-21-2003, 09:20 PM
stevebfl stevebfl is offline
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
it just so happens I was playing with that picture trying some paintshop image layering, this weekend.

The EGR blockage is in the intake manifold, not the EGR pipe. (see image). One of the most common problems is getting the vacuum lines to secondary air crossed with the EGR at the switch-over-valves.
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E320 Rough Idle / Egr Problem-egr_port_m104.jpg  
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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