passing emission after sr swap

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dorift maestro
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i was curious about puting a sr20det red top on a 98 240sx which is obd2.

and would i have any problem passing the emission?

i heard 95 model with a swap could put a hi flow cat and pass but i am not

sure 95 or above 240's with the swap....

i want to know when they plug in the obd 2 plug and wondering if its

gonna still recgonize as normal or fail at emission testing location

i live in maryland so if anyone know please give me some info

thanx



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boznuttz
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lol, no way in hell that you can pass with an sr. no egr means illegal nox emissions over 210 %. start looking for 'friendly' shops. ask around, its what my brother and i do now.

180fan
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yeah the odb2 stuff won't recognize an sr. if they check for that you're screwed.

It is possible to pass an sr if there wasn't the odb port they check your stuff on. If a stock sr can pass the sniffer in CA, the sr should be able to pass anywhere.

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boznuttz
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nope. no way itll pass emissions, period.

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dorift maestro
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boznuttz wrote:lol, no way in hell that you can pass with an sr. no egr means illegal nox emissions over 210 %. start looking for 'friendly' shops. ask around, its what my brother and i do now.
it is state operated so i dunno where i can go to a "friendly shop"

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dorift maestro
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180fan wrote:yeah the odb2 stuff won't recognize an sr. if they check for that you're screwed.

It is possible to pass an sr if there wasn't the odb port they check your stuff on. If a stock sr can pass the sniffer in CA, the sr should be able to pass anywhere.
but the plug will be still there even after the swap right?

so every 96 above cars can't be sniffed ?always have to be plugged for obd

test right?

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boznuttz
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it still wont work, period. your BEST bet, is to just pay some shop 100 bucks and get a sticker for the year. 100 bucks for a sure thing. beats failign once and goin back after payin 80 bucks plus whatever you need to get sone so itll pass saftey

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Retrogreq
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i just went through the same problem on my s14......REALLY easy.....just take off the plug under the dash, when they cant find it, they will bypass to a sniffer test...for those that wanna call me a liar, i will post a picture of my emissions test.

180fan
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ha ha ha that's awesome. Yeah the sr should at least pass the sniffer if it's in a near stock state.

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dorift maestro
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just found out that all the emission testing is

operated by the state so there is no local shop

that does the emission test in maryland

so i am ****ed !!!!!

what if it was a s14 sr that is 96 or newer

would it be different?

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Retrogreq
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just read my post above, mine is a 96,...also..check your manufacture date, if it is before 8/95 they can bypass it anyways on request

mine was made 10/95

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dorift maestro
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i wish someone could make a decoder that can trick the obd2 sensor while they are plugged in so they can't read the error

someone will be rich if they make this happendamn bought this car for many potential to making as daily drivable drift car

so dang complicated

180fan
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rwd sr + odb2 + emissions testing = no go. Japan doesn't have ODB2 over there so the rwd sr ain't gonna have it ie you're screwed if the testing is conducted by the state.

Motorex was the only shop that I can think of that was trying to develop odb2 for the skyline. Wouldn't have been much of a stretch for the silvias but yeah you're in a bit of a jam if it's run by the state.

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S3t0_S13
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wait so what do u unplug from the dash ???im here in southern cali. where theres jus way 2 many cops, ive had my hood popped twice with a stock KA engine being asked whats this and that.I know a shop that would pass smog for me if i slid him a extra 20, but as far as law enforcemnet, i dont know what they would do. ??

180fan
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from what some of my buddies in socal tell me, there have been instances where the cop pulled out a binder with what your engine is supposed to look like and compared. With an SR, keep it lookin as stock as possible. Get stuff painted flat black and such, shiney parts are a no no.

DRFT(kinda)
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I took a truck from my dad's company into emissions. One of the headers was falling off and that wasn't a secret to anyone within a 2 block radius and it passed. And it was in Maryland. From what I've been told and what I've seen the way I think it works, or atleast this was the way it worked at the emission place I went to, most cars they just pencil them thru but every so many vehicles they actually do a full check.

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S3t0_S13
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lmaooo, ouch DRFTkinda, hope ur cars ok from that pic

anyways, yea ive heard of cops around here carrying those binders around with them that have all the lil no no's of JDM counterparts. u think if i paint my vavle cover gold like the stock KA ill be good? i think thats all, im gettin one soon, so i wanna be safe

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dorift maestro
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o[QUOTE=DRFT(kinda)]I took a truck from my dad's company into emissions. One of the headers was falling off and that wasn't a secret to anyone within a 2 block radius and it passed. And it was in Maryland. From what I've been told and what I've seen the way I think it works, or atleast this was the way it worked at the emission place I went to, most cars they just pencil them thru but every so many vehicles they actually do a full check.[/QUOTEy

which one did you goto in maryland?

was it obd2?

180fan
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Hate to say this, but if you guys are gonna talk about who to go to for an emissions test, email each other. I don't want a shop that's doing emissions hook ups getting reamed for getting named in a public forum.

DoubleDeuce
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I also live in Maryland, and there are a couple things you should know.

1. I know that if they are unable to get your car up on the rollers (if it's say... too low) then they will hook up a sniffer to it. My roomate has a Civix that is slammed to the ground and when they couldn't get it on the rollers they drove it around the parking lot with the sniffer attached to his muffler and he passed.

2. I would assume that if you don't have an odbII plug they wouldn't pass you though, they'll give you a work order (issued in all likely hood by a state police office and accompanied by a ticket for tampering with your emissions) to get the plug fixed.

3. Not all of the emissions is done by the state. For instance, a used car lot can perform their own emissions. So there are stickers floating around, but they've really cracked down on illegal ditribution of those stickers. You might still be able to find a place though.

4. The garage I do all my work at is owned by an RX7 enthusiast (read: no emissions what-so-ever). This is how he passes. In MD there is a loophole in the law where by if you fail you can perform at least $650 worth of work to the car to try to get it to pass and they'll give you a "A+ for effort" waiver that is good for 2 years. Now the $650 has to be work performed by a real shop, you have to have their slips and reciepts. The work also has to be done to components that preceed the catalytic converter. So you can't go buy a cat-back system and hope to pass because that doesn't help your emissions. But you could buy a new turbo or have an old turbo rebuilt and high flow cat and get a waiver. But you have to fail first which means you still have to waste $80 on your first test.

5. This might apply to everyone, and is just a theory I have had, but I really think this SHOULD work. What was said above about the SR20 not being an ODBII engine is not true at all. Point in case: The Infinity G20T is an ODBII version of the SR20DE. I don't see why you couldn't buy the ECU for that car and plug it into your wiring harness and if you know what you're doing you could get the ODBII plug in your ODBII 240SX to work. I also don't see why that ECU couldn't efficiently control the SR20DET enough to get the job done. I've never heard of this working, but we've all heard of people turbo charging the G20T and I think you can probably get the ECU reprogrammed to work. That would be a permenent solution to all of our problems. :-D


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