Where's the Diagnostic plug?

[fixkick]

just do the stall test.
press the diaphragm and see if engine stalls or runs real slow say 500rpm or less. that be the EGR working.
the egr main is way in the back . and the whole path is huge. on 1995 and very very hard to do.
see my egr 95 page.
http://www.fixkick.com/EGR-Gen2a.html

and this, lil. horror,,,

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those are , egr injector nozzles, and very very hard to clean. Cast in place. we have more views

and if one packs the others cause imbalance in the other 3 and they may over inject.

in fact i have a slide show on this.

http://www.fixkick.com/sensors/EGR/97-cl...index.html