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Status Update
Today, with the help of a (very) helpful auto-parts store manager I "borrowed" a distributor with ICM (excellent reason to go to your small auto parts store and not the "supermarkets" like Pep-Boys and AutoZone), and got no improvement. I now have installed a "test" MAP sensor, even though the original tested good, and have not yet had a stall - altough I have only done about 10 miles which is not enough to be sure.
I also plugged the EGR line before I installed the MAP, which seemed to stabilize things. If the MAP is not the issue I will go for the EGR next.
Does anyone know, if you pull a vacuum on the EGR valve, should it hold or bleed shut quickly. Mine will open when I use a hand vacuum pump, but will not hold the vacuum.
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