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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

2012 Impala Will Not Run O2 Or Evap
05/20/2018 in the Emissions Forum
A friend of mine is running into an issue getting a 30k mile 2012 Impala to run the O2 and Evap monitors. It has been to 3 other shops with no success. Initially he thought it needed a TStat because it would not get over 180degrees. Installed stat an...
Mazda Header or cast manifold
05/18/2018 in the Emissions Forum
I have been out of California for a couple years and helping a good friend with her Mazda. This 96 with a 2.3l that is basically a Ford Ranger has an exhaust manifold that kinda looks like an aftermarket header but I can't tell for sure. I don't see any k...
BAR Mandatory Password change May 9th
05/08/2018 in the Emissions Forum
I am cynical and sense there might be some real problems with everyone trying to change passwords at the same time.. Anyone else think that this might be an issue?
BAR97 Internet Upgrade
05/01/2018 in the Emissions Forum
Worldwide told me today that my Gen 3 BAR 97 that has a $5000 2016 Windows 7 PC upgrade in 2016 "is not eligible for internet upgrade, only Bar97 units purchased from Worldwide since 2016 are eligible". So that explains why the WW salesman was pushing...
04/14/2018 in the Emissions Forum
It's on the VECI of a Cayman, assuming it's not a MAP sensor, what it it?

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