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International Automotive Technicians Network

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

Arizona emissions testing question
10/10/2017 in the Emissions Forum
Have a friend who has moved to ariaona and went toa state run testing facility where apparently all was a pass except MIL lamp. Went to a repair shop, they replaced MIL bulb, I think cleared memory and told friend that needs to be driven awhile prior to r...
CA BAR 97 Gen 3 Emissions tester choices
10/09/2017 in the Emissions Forum
We are trying to decide which BAR 97 Gen 3 Smog machine to get, and whether to buy or rent. We perform enough '99 and older inspections to pay for the machine, but are on the fence. Which one? Buy or Rent? ESP/Opus and Worldwide both are currently availab...
Dyno question
10/06/2017 in the Emissions Forum
Have a Snap On with LAD Dynamometer and the software in its diagnostic mode has ASM options one being 50/15 & 25/25 but it is not anything approaching the reality of the State Smog Check. Car passes under Snap On's software, but fails as a gross polluter ...
data depot down for evap machine
10/03/2017 in the Emissions Forum
data depot down called phone # that it connects to and it has been disconnected...really!!!
09/26/2017 in the Emissions Forum
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