Emissions test today.
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Fleet Mechanic
Joined: Nov 2008
Posts: 1,573
Likes: 4
From: Seattle
Emissions test today.
Just passed my emissions test here in Washington state. Currently the only test for diesels here is opacity. The limit is 40% and mine came in at 2%. That's the same reading as when I last tested two years ago.
Not sure how it is in other states, but for now, they don't even do any sort of visual inspection under the hood. All they do is plug a device into your lighter/12 volt socket, have you floor it 3 times when signaled, and that's it. Pretty easy deal.
Not sure how it is in other states, but for now, they don't even do any sort of visual inspection under the hood. All they do is plug a device into your lighter/12 volt socket, have you floor it 3 times when signaled, and that's it. Pretty easy deal.
Elder User
Joined: Feb 2006
Posts: 547
Likes: 0
From: Tennessee
Here in TN, they don't open the hood either. They plug into the ODB2 port, probe the exhaust, and thats about it.
My truck is exempt, due to the GVWR being over the 11,500 cut off for mandatory testing.
My truck is exempt, due to the GVWR being over the 11,500 cut off for mandatory testing.
is a BAAAD MAN
Joined: Apr 2005
Posts: 3,738
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From: Winston Salem NC
If you know the dude in NC they don't look at anything but your money haha
Senior User
Joined: Sep 2011
Posts: 203
Likes: 1
From: Delaware
Same in Delaware but $40.00 a year
Posting Guru
Joined: Mar 2008
Posts: 1,104
Likes: 5
From: West Tx
Opacity is a measure of how much light is blocked i believe. 100% Opacity Means nö transmitted light is Received across Sensor.
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