exesive gas reserculation on 1997 Lexus LX450

I to this car to different repair shops,and I spent money on it, I continue to have problem with this egr, how can I fix it myself?

by in Washington, DC on October 07, 2013
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1 answer
ANSWER by , October 07, 2013
YOU NEED SPECIAL EQUIP TO TES EACH SECTION OF THIS SYSTEM. NOT A DIY JOB. SEEK A BETTER SHOP OR DEALER