I had a 94 Jimmy that was covered by this TSB. It was a special
policy on the EGR, covered replacing the valve and installing an
updated PROM. I'm pretty sure there's a time/mileage restriction on
it though, and this repair was done in 98, pretty sure any vehicle is
out of that window now.
Out of curiosity, what shop do you work in? I'm also in the Albany
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