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Just as the title says. What is the benefit of the EGR system and can it just be bypassed. Just curious.
I have a fairly cheap OBDII scanner and was monitoring it on a test drive today. My EGR percentage reading was all over the place from 61% to 0%....
So I removed the ERG tube coming from the EGR valve into the intake manifold, cleaned it and tried to clean the ports at either end without...
