Compression Ignition Addict
Join Date: Feb 2010
Location: Keller, TX
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I do know for a fact that they look for the DOC to be in place. As for the other two, I'm not sure how many of those places know what a DPF even is but they are supposed to look for a muffler as well.
I have several friends with 7.3s and 6.0s that have no DOC and have issues getting it passed and have to pay extra to get it to pass, which still isn't much considering the fee is only 14.50.
I was under the impression all they do is visual inspection for emissions components and a short drive, I never saw the guy that inspected mine hook anything into the obd2 port and in fact if he did he woulda had to unplug the livewire.
Several guys on here have reported in tx they got theirs inspected with straight pipe but I bet it depends where you live and what that stations employees actually know of or care about. Straight pipes are probably more common in weatherford than in Addison.
11 F250 6.7 CC/SB -- tuned & deleted -- 3.5'' PMF/ICON/Fox suspension, Method Standards, Toyo AT2s