My EGR valve went bad again:facepalm:. Fortunately the part is under warranty. If not Crank shaft pos sensor, it is EGR valve is faulting. 2 bad Crankshaft position sensors from NAPA and 1 bad EGR valve from Autozone so far. I am not sure if these two problems related. How often does EGR valve go bad? Any ideas?
Im on my second one at 125k and it was throwing codes the other day then all went away FOR NOW???.throwing the same code po406.
If your truck is running good give it a few days before wasting your money
The code disappeared but replaced the part (lifetime warranty) anyway. :trash:
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