Just had emissions testing, sharing info with you all! - Ford Powerstroke Diesel Forum
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Old 01-23-2011, 01:33 PM
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Just had emissions testing, sharing info with you all!

Hello fellow oil burners~!

While I was waiting the shop manager and I started shooting the shoot over a cup of coffee. I told him every year it is kind of annoying that I have to unbolt my exhaust mods, and bolt up the oem cat, and muffler for about 10 minutes worth of testing. I asked him what the latest laws were and shared with me:

(For Utah) all diesels after 1996 are no longer sniffed tested. It is only an OBD scan for codes, and disabled emissions controls.

They are required to inspect all diesel for tampered emissions controls, and they have to find and point out the EGR valve.

Visual inspection for OEM cat. If OEM cat is missing or altered, automatic fail. If it is replaced with an aftermarket cat it has to have a C.A.R.B. stamp and some type of proof giving them evidence beyond a reasonable doubt that the part in place is a full functioning cat. (A receipt from the retailer or shop you bought it from is fine). If there is no C.A.R.B. stamp or no clear evidence that it is a working fully legal and functional cat, automatic fail.

I also asked:

What are the exhaust requirements?
Answer: Exit of exhaust must behind cab quarters. It can exit anywhere provided it doesnt impede the functionality of any other safety or drive equipment and is not a safety hazard. (So IOW, Stacks, under the bed, side exits, rear exit under bumper, etc. is fine).
Since they do not have to plug in a sniff testing probe they do not have to have access to the exhaust tip.

A muffler is NOT required since it has nothing to do with emissions or safety. However if your state has exhaust noise restrictions this may warrant a citation but that would be from a bored police officer NOT the shop.

What about EGR coolers?
At this time there are no requirements for EGR coolers, and no instruction to check visually for an EGR cooler.


The shop manager was very cool. He said he doesnt turn anyone in or give anyone driving a diesel a hard time about moding their truck. He gives everyone a chance to bring everything up to snuff and re-inspect for free. He knows almost everyone driving a diesel these days has to go through this head ache and he doesnt want to add to anyones frustrations.

He also mentioned that he goes to all of the local advisory board meetings to defend diesel emissions testing. He is trying to defend grandfathering 2007 and older diesels. He is trying to defend Bio-Diesel home conversions, etc.

If the E.P.A has their way they are going to require all diesel engines to have an inline emissions incinerator. This will be bolted (in theory) between the cat and muffler and will burn off excess NOX and any other harmful emissions. This means added cost for you and I, and another damn thing to maintain.....(Or work around)...


Hope that helps.
Jer
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