R richard boye New member Mar 6, 2011 #1 My 2001 Honda Passport (Isuzu Rodeo) is throwing a check engine light, codes p0300 and p0401. I cleaned egr and the light went away after a couple of miles its back. What can I try before replacing the valve.I
My 2001 Honda Passport (Isuzu Rodeo) is throwing a check engine light, codes p0300 and p0401. I cleaned egr and the light went away after a couple of miles its back. What can I try before replacing the valve.I