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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

2018 CA emissions
08/18/2017 in the Emissions Forum
I heard in the wind that EVAP testing will be no longer required?
Learning
08/18/2017 in the Emissions Forum
[Driveability: 04 Toyota Corolla CE 1.8L] My friend came in with this vehicle for an oil change and also asking about the c.e.l. as they will have to have their vehicle smogged by the end of next month. Quick scan showed 2 evap codes, more than likely ca...
2007 Toyota Prius PZEV?
08/09/2017 in the Emissions Forum
Hi EmF'ers, I have a consumer that came in to repair his "Check Engine" light so that he can pass his smog inspection. I have always thought that the Prius was considered a PZEV. The vehicle only has ~88K miles. He's already spent hundreds of dollars at t...
catalyst, o2 and o2 heater monitor
08/04/2017 in the Emissions Forum
[Driveability: 11 Mercedes-Benz Sprinter 2500 3.0L] We have this sprinter, has been driven for about 75 miles. All monitors set but catalyst, 02s and 02s heater, No pending codes, tested o2 sensors via xentry and everything checks out ok. The truck only ...
2004 Toyota Solara 2AFE
08/04/2017 in the Emissions Forum
Canot set cat monitor.. temp runs around 185F iat around 100...put over [...] with toyota drive cycle to mo avail,, rem I missing something here?

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