00 expo cutting off in drive.
New to the forum. I have a 00 expo cutting off when I put it in drive or come to a stop. I have replaced fuel pump assembley, EGR, IAC, MAF, DPFE, come to find out the egr ports where stopped up. I cleaned them out truck did great for a week and know has started doing the same thing. Where do I need to go next. Please help. Thank you.