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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - Rockies / Midwest > Need help to pass emissions in Colorado



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      09-25-2016, 09:16 PM   #23
Barrique_Red
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My F250 does get the sniff test, but only because the truck is greater than 8500 GVWR. They don't put trucks greater than 8500 GVWR on the dyno, so they do the tailpipe test like in the old days.

It is true that my truck is OBDI not OBDII.

Years ago when it first came on I had a person tell me that AirCare can't fail me for a Check Engine light. Unfortunately I don't recall who it was, and I don't know their reasoning, but because of it I have never worried about having a lit CEL. And, I have never been failed for it being on.

Reading the codes, I believe the CEL is on because I have a bad EVP sensor (the position monitor on the EGR valve??). But to be honest I don't recall exactly what the issue is.

I sure would like to know the truth about the CEL and whether they can fail for it.

thanks,
michael.

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Originally Posted by bachn2324 View Post
I believe car at 1992 is subject to the sniff test? I'm not sure, but it could just be an electronic error for your CEL and the car itself is running fine to pass emissions. I don't get how the whole process works, but for cars newer they are subject to the OBDII testing, and if they have the CEL or emissions related code, then you won't be able to pass.

Last edited by Barrique_Red; 02-04-2017 at 11:12 PM..
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      04-17-2018, 09:56 AM   #24
J3
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So I've got a n55 e90 dp with stock exhaust. Cobb tune. Will I be able to get through emissions?
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      04-17-2018, 06:48 PM   #25
J3
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Update: I failed. No sniff test just electronic diagnosis. I gotta go to a State Emissions technical center now. If I was to do it over again, I'd run the factory map, complete the drive cycle, and take my chances.

Last edited by J3; 04-18-2018 at 04:14 PM..
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