Lsx 240sx and Denver Emissions
Thread Starter
Joined: Jul 2013
Posts: 303
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From: Indianapolis, IN
Lsx 240sx and Denver Emissions Does anyone know What all I would have to have working for a internally stock 5.3 to pass emissions in a ‘93 240sx in Denver? Will it just have to have cats, rears 02’s, no CEL, and pass the smog dyno? Or will it have to have evap, egr, etc?
Teching In
Joined: May 2019
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If the Envirotest "techs" figure out what you have in there, it will have to meet the emission standards of the donor vehicle. They may not, because those testers are just testers. They don't know a lot about cars, I've slipped a TBI conversion past them without a second glance. Figure out a way to make it look stock-ish Nissan and take it on a day when the lines are super long and they're busy.
If they do spot it, you'll have to get it inspected at the station downtown and go thru some antics. Those folks can be pompous asses.
If they do spot it, you'll have to get it inspected at the station downtown and go thru some antics. Those folks can be pompous asses.
Usually, it’s specs of the newest model - recipient or donor.
And if course it varies wildly state to state. Here in NC, if it’s OBDII then they simply pull codes. No codes = emissions pass. Prior 95/6 older back to 35 years old, it’s a visual inspection for emissions equipment - cats, egr, etc. Older than 35 - no inspection at all.
And if course it varies wildly state to state. Here in NC, if it’s OBDII then they simply pull codes. No codes = emissions pass. Prior 95/6 older back to 35 years old, it’s a visual inspection for emissions equipment - cats, egr, etc. Older than 35 - no inspection at all.
Last edited by Michael Yount; Oct 11, 2019 at 11:49 AM.
Usually, it’s specs of the newest model - recipient or donor.
And if course it varies wildly state to state. Here in NC, if it’s OBDII then they simply pull codes. No codes = emissions pass. Prior 95/6 older back to 35 years old, it’s a visual inspection for emissions equipment - cats, egr, etc. Older than 35 - no inspection at all.
And if course it varies wildly state to state. Here in NC, if it’s OBDII then they simply pull codes. No codes = emissions pass. Prior 95/6 older back to 35 years old, it’s a visual inspection for emissions equipment - cats, egr, etc. Older than 35 - no inspection at all.
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Joined: Jun 2016
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From: Central Cal.
In Cali nothing before 1975 is smog checked. That is when cats were introduced in most cars and 1/2 ton trucks
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Teching In
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Verdad Gallardo TECH Senior Member
Joined: Jun 2016
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From: Central Cal.
Basically here chassis-related emissions ( evap and converters) must be the year of the vehicle, and engine-related to the year of the engine. Again, any pre-75 vehicle is not checked. I wish they would go back to a 25-year drag like they did up to about 2000. Not many pre-94 vehicles to worry about.
Basically here chassis-related emissions ( evap and converters) must be the year of the vehicle, and engine-related to the year of the engine. Again, any pre-75 vehicle is not checked. I wish they would go back to a 25-year drag like they did up to about 2000. Not many pre-94 vehicles to worry about.