Odyssey 2000 EGR system

My engine check light came on and the ODB code indicates restricted EGR flow. Looking briefly I see what appear to be sensors in the exhaust before
the cat con and in the cat con itself, but I do not see the EGR valve nor the line to it. Anyone familiar with these enough to tell me if this is a reasonably easy service job and where the EGR valve is located?
Also, and curious, the TCS light has intermittently come on when the engine check light was on. Neither has come back on since I reset the codes and have driven it several trips, including up to 60 mph with decel. several times to get the EGR system check to operate. I wonder if maybe there is a bad ground or transients in the system. I see complaints of erratic engine check lights and unreliable ODB codes on Hondas of this era. Anyone have some knowledge of this stuff?
Any recommendations for service manuals would be appreciated. I intend to order the Honda manual, but if there are others that are more useful I'd like to know.
The van has 80K miles on it. I am an electronics tech working on repairs at the component level and have a DIY level of auto repair skill that is above average.
Thanks,
Leonard
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On Sun, 17 Jul 2005 20:05:46 -0400, "Leonard Caillouet"

depending on the mileage it may be covered under the extended warranty bulletin, they went 8-80 on this problem, the intake needs to be pulled, the egr port reamed and a sleeve installed, also new egr valve. Chip
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