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Automotive Emissions Forum

Professional automotive forum for discussion of automotive emissions, on-board diagnostics (OBD2), and emissions testing programs around the world. The discussions often cover both the non-technical aspects (such as enforcement, automotive politics, and legal), as well as the technical aspects of emissions and emissions-related repairs, including the differences between vehicle certification and the various inspection and maintenance programs around the world. This forum is for experienced automotive repair professionals only, membership required.

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Recent Automotive Discussions in the Automotive Emissions Forum

the old Bar 97 machines
04/08/2021 in the Emissions Forum
Hello. I recently sold my old Bar 97 machine to a guy in Tuscon that repairs hotrods. I fire it up and thought I would calibrate it for him before it gets shipped. Its been moved all ovwer the shop and comes up operator lockout. I called BAR but they say ...
Underhood labels
04/05/2021 in the Emissions Forum
I am looking for feedback on a proposal that was presented to us for future cars on the underhood labels (e.g., the ones that identify the test group the vehicle was certified to, lists the emission controls the car has, etc.). IM inspections and repair a...
California Smog Check Update Training
03/07/2021 in the Emissions Forum
Hi EmF'ers, I recently completed my California Smog Check Update course from Skyline College and Rick Escalambre. It was one of the best update courses I've taken throughout my smog tech career. It's a course that has been attended by nationally recognize...
finding more q. than answers
03/01/2021 in the Emissions Forum
While looking on Fords Technical Service Center I found yet another q. that I struggle finding an answer for. Started to read "2019 MY OBD System Operation" I find that 'starting on 2010 MY the software in the PCM is enhanced for cat break in to suspend t...
OBD II Monitor disable matrix
03/01/2021 in the Emissions Forum
Been in the game for a while now. Seems like I am getting stoopider the older I get. A while back I stumbled across a pretty cool chart in T.I.S. (Toyota Information System). Older vehicles matrix showing what codes keep others from popping. Pretty neat e...

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