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International Automotive Technicians Network
Re: Emission Testing- What does your state require?
Posted to Emissions Forum on 5/6/2012 2 Replies

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I see a lot of OBD II vehicles with no MIL that fail I/M 240. I have also had quite a few vehicles with evap problems with no codes, yet the HC emissions are high. OBD II does not catch many failures... Login to read more.

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