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Old March 7th, 2019, 10:02 PM   #1 (permalink)
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Tune vs DEQ

Since recently moving to Portland, I've seen exactly zero 4Gs, so not sure if anyone here knows or cares, but I'm trying to figure out how to pass emissions/smog test.

I have RRE headers and stock tune. Since moving up here I've been consistently getting P0137 and P0157 either active or pending. I keep clearing them, then hope to get through a drive cycle and take Oregon's DEQ (smog) test so I can get registered.

So far no luck, and I'm assuming pending codes will fail.

I reached out to Stayer for a tune, so at least codes will be gone, but I'm worried about getting tested too soon after a reflash. A while back guy at RRE told me having too few starts for an older car will fail a smog test. This true of the DEQ?
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Old March 7th, 2019, 11:24 PM   #2 (permalink)
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Those codes mean your bottom O2 sensors are not seeing enough dirty exhaust/activity

Do you have O2 spacers on them? Are they old? You don't have cats in the manifolds from the RRE headers? And you have O2 spacers? Try drilling the holes in the spacers a little bigger so that the bottom sensors see a little more exhaust.
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Old March 7th, 2019, 11:28 PM   #3 (permalink)
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Yes, headers have spacers and were installed at RRE a year ago, 1 of the o2 sensors was replaced then. Not sure how big to drill holes w/o ruining them, but I might try that.
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Old March 8th, 2019, 07:44 AM   #4 (permalink)
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Most Scan tools over $15 have an emissions readyness readout.

Took me about 20 minutes for mine to go from reset to ready last spring. Start it up, go for a little highway drive, pull over, restart engine, highway, pull over, restart engine, go to your test. It's not the exact procedure, but worked for me.
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Old March 8th, 2019, 09:25 AM   #5 (permalink)
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Quote:
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Most Scan tools over $15 have an emissions readyness readout.

Took me about 20 minutes for mine to go from reset to ready last spring. Start it up, go for a little highway drive, pull over, restart engine, highway, pull over, restart engine, go to your test. It's not the exact procedure, but worked for me.
A lot of car's readiness monitors will only check once the car has had time to cool down and sit for a period of time, like overnight, before some of them will begin to test, just depends on how the test parameter conditions are programmed into the PCM, varying from car to car, manufacturer to manufacturer.

I know on this car, the evap monitor will only do a check after sitting and cooling down to a certain temperature range during start up, heating up to a certain temperature within a certain amount of time, and then you driving a certain steady speed of about 55 mph for an extended amount of time, and then try letting go of the accelerator pedal and let the engine and friction slow down the car and it will check the evap monitor then
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Old March 8th, 2019, 02:07 PM   #6 (permalink)
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Tell me, do you know the parameters for emissions testing? After setting the tune, your emissions will be within the same range as before. California may have stricter emission standards. But in other places must pass the test.
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Old March 9th, 2019, 12:08 AM   #7 (permalink)
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Tell me, do you know the parameters for emissions testing? After setting the tune, your emissions will be within the same range as before. California may have stricter emission standards. But in other places must pass the test.
Are you talking to me?
I require no emission test where I live, I’m just talking about the OBD 2 readiness monitors in general on the car computer

With the Hackish tune with cat efficiency at 100%, the Cat readiness monitor will usually pass after the first drive

It’s the Evaporative check that takes forever (and then eventually fails on my Eclipse... :/)

Stayer, does your tune have the ability to modify emission testing readiness monitors, logic tests on them, or codes?
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Old March 9th, 2019, 12:12 AM   #8 (permalink)
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My scanner has an I/M readiness reader, so I erased pending codes again and will monitor closely for next 20-30 miles. If all clear and ready, I'm getting tested, then getting Stayer tune. If not, I'm getting Stayer tune and waiting a few weeks before getting tested. This sucks, but at least I have a tune to look forward to.
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Old March 9th, 2019, 12:24 AM   #9 (permalink)
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If you flash a tune you will lose your readiness monitors again

Flashing the tune caused my car to get all kinds of weird codes in a lot of the different computer modules in the car from lost communications with the others while the PCM was being flashed, recommend a full system scan tool to clear all codes in all other modules once you have the tune in the car that you like
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Old March 9th, 2019, 08:23 AM   #10 (permalink)
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Maybe I don't fully understand the question. Topicstarter is worried that he will not be able to pass the emissions test. Right? I replied that the emissions are no more than before setting the tune. If you know how the test is conducted, what parameters (in figures) should show, then report. Still, as I understand it, he removed the catalyst and installed RRE headers.
The melody is tuned to a lean AFR mix. And it gives a smaller emissions than a stock tune without a catalyst. This will meet the Euro-2 emissions standard.
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Old March 9th, 2019, 12:34 PM   #11 (permalink)
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I was asking if your tune allows for disabling of OBD fault codes? Or forcing readiness monitors?
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Old March 9th, 2019, 08:32 PM   #12 (permalink)
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Quote:
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If you know how the test is conducted, what parameters (in figures) should show, then report. Still, as I understand it, he removed the catalyst and installed RRE headers.
The test does not include tailpipe emissions, only OBDII scan for codes. If I can make it through a drive cycle without O2 sensors causing pending codes, I should be alright to test.
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Old March 9th, 2019, 10:24 PM   #13 (permalink)
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The rear O2 sensors disabled in software. No error codes will show.
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Old March 10th, 2019, 01:54 PM   #14 (permalink)
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Quote:
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The rear O2 sensors disabled in software. No error codes will show.
Ok good
What about disabling codes for evaporative emissions codes? Like P0455?
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Old March 10th, 2019, 09:38 PM   #15 (permalink)
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theoretically, can disable any code.
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Old March 10th, 2019, 10:03 PM   #16 (permalink)
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Yeah I wish I could just disable my P0455
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Old March 25th, 2019, 10:13 PM   #17 (permalink)
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UPDATE:

Since I was constantly throwing codes P0137/P0157, I went ahead got a tune from Stayer. The tune is wonderful, but something I was not aware of was the Stayer tune completely disables the O2 sensors. This means it will never be I/M ready, meaning it will never pass a smog/emissions OBDII test.

I've read so many reviews for Stayer I don't know how I missed this, or how this isn't an issue for everyone in the US. Most states require this test.

My stock cats had failed, so I can't go back. I asked Stayer to keep the tune and activate the O2 sensors, thinking I would do the drilled spacer option. That's not possible at the moment was he'll need to create a new custom tune for this. I'll pay him to do this but is an option that others could use too?

What have other Stayer tuners done to pass smog tests?

I cannot wait for this be over.
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Old March 25th, 2019, 11:41 PM   #18 (permalink)
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Yes, I also appeal to users who have previously installed the firmware. No one came to me to connect the O2 sensors. Either you do not pass the test or you have the opportunity to bypass this procedure.
Emission regulations have been established in Europe. Each time they are tougher and tougher. Called Euro 0 through 5 and beyond. Eclipse and similar cars are Euro 3 (E3). I think the us has the same rules.
Previously, when flashing, no one asked me to create a monitor E3. That is, to show the readiness of O2 sensors, and the operation of the emission system. However, I want to say. If you have not installed the stock exhaust , that will illuminate the "check engine" lamp.
Approximately after the new year celebration, I began to receive requests to create an E3 monitor from the owners of Honda, Toyota and other brands. from the US.
Have you changed the rules of inspection?
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Old March 26th, 2019, 01:30 AM   #19 (permalink)
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there is one more question. How often should you take this test?
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Old March 26th, 2019, 02:12 AM   #20 (permalink)
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I don't have but believe California is every two years.
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Old March 26th, 2019, 03:12 PM   #21 (permalink)
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In most states it's every 2 years.
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Old March 30th, 2019, 04:01 PM   #22 (permalink)
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Stayer has done dozens of 4G tunes in the US, does anyone else have issues passing smog/emissions testing with O2 sensors disabled? I can't be the only one. Is it worth his time to customize a tune that activates E3 monitoring? I think it is, I love the tune and would like keep it, but it needs to pass a simple OBDII scan.
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Old March 30th, 2019, 05:46 PM   #23 (permalink)
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Quote:
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Stayer has done dozens of 4G tunes in the US, does anyone else have issues passing smog/emissions testing with O2 sensors disabled? I can't be the only one. Is it worth his time to customize a tune that activates E3 monitoring? I think it is, I love the tune and would like keep it, but it needs to pass a simple OBDII scan.
I think the issue is that most of the US still doesn’t have to do emission checking which is both good and bad for different reasons (air pollution, financial struggles for poor people who can’t afford to properly fix their car, and taxes the government collects from making people E-Check)
In Ohio the only area that has to do E-Check is the Cleveland area and surrounding areas, nowhere else do you have to do it, not Columbus, Cincinnati, Akron/Canton, Toledo, Sandusky, Mansfield, or anywhere else
So most people may not have worried about if their tune is affecting their E-Check status, I have checked my Eclipse with the Hackish tune and I have no front cats and my car does pass the Cat test, and every readiness monitors except Evap readiness because I have an Evap leak P0455 large leak code but that’s related to a broken Evap pipe on my gas tank not related to exhaust or O2 sensors, and my Hackish tune has the Cat Converter efficiency changed to 100%, the Rear O2 sensors still need to be there and working tho for fine fuel trims, and O2 heater codes

This is unlike my ‘02 WRX tho where I can disable codes in ROMRaider or ECU Flash and just unplug unnecessary emissions stuff like rear O2, Exhaust Gas Temp Sensor, Tumble Generator Valves, not to mention it doesn’t even have an EGR system to worry about, my Evap system does work on that car tho and throws no codes but I can disable all of them and get out the Evap system if I wanted to, I can even force the readiness monitors to be set to good, and still get a passing E-Check readiness monitor readout either way

So not sure what’s up with the Stayer tune because my Hackish tunes Eclipse and my Open Source ECUFlash and ROMRaider tuned WRX have passing readiness monitors for Rear O2 codes with no cats being checked by rear O2 sensors
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Old April 2nd, 2019, 11:30 PM   #24 (permalink)
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Wow, really surprised to hear about Ohio, so many metropolitan areas with no test? I think it's required in at least 38 states, but not all counties apparently. Well, hoping Stayer can refine his tune to include passing readiness monitors. It's been such an improvement over stock but I gotta be legal, and likely means going back to stock and drilling spacers.
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Old April 3rd, 2019, 11:59 AM   #25 (permalink)
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Wow, really surprised to hear about Ohio, so many metropolitan areas with no test? I think it's required in at least 38 states, but not all counties apparently. Well, hoping Stayer can refine his tune to include passing readiness monitors. It's been such an improvement over stock but I gotta be legal, and likely means going back to stock and drilling spacers.
Yeah the problem is if they require E checks in some of the poorer areas I know a lot of cars would be over the road just like that because they wouldn’t meet the standard

What part of the Stayer tune is causing an issue? The e checks readiness monitors never complete even tho you did before getting the tune?
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Old April 3rd, 2019, 09:59 PM   #26 (permalink)
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What part of the Stayer tune is causing an issue? The e checks readiness monitors never complete even tho you did before getting the tune?
Yeah, I didn't know the tune disables the O2 monitors, so it will never be I/M ready, which won't pass.

Before the tune, I was getting codes that were pending, which I believe would fail the test too. Occasionally I'd get SES light, but mostly pending codes.
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Old April 3rd, 2019, 11:09 PM   #27 (permalink)
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Quote:
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What part of the Stayer tune is causing an issue? The e checks readiness monitors never complete even tho you did before getting the tune?
Yeah, I didn't know the tune disables the O2 monitors, so it will never be I/M ready, which won't pass.

Before the tune, I was getting codes that were pending, which I believe would fail the test too. Occasionally I'd get SES light, but mostly pending codes.
Oh so on stayers tune the O2 readiness monitor just stays not ready always?

Oh do u remember what the codes were u were getting before getting the tune? Both pending and stored?

It isn’t always the greatest idea to start flashing tunes if you have codes popping up on a stock tune, best to get the car’s health straightened out first unless it’s just something like my car P0455 which is just large Evap leak and doesn’t affect drive-ability or running problems
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Old April 4th, 2019, 10:19 PM   #28 (permalink)
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Codes P0137/P0157, the usual suspects w/ RRE Headers. Once I get then reactivated I'll likely need to drill spacers, then go back to the Stayer tune because I can't live without it now.
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Old April 4th, 2019, 10:33 PM   #29 (permalink)
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Codes P0137/P0157, the usual suspects w/ RRE Headers. Once I get then reactivated I'll likely need to drill spacers, then go back to the Stayer tune because I can't live without it now.
Mm no, u get P0421 and P0431 with the headers and no cats, u can get P0137 and P0157 if u had not enough exhaust gasses showing and the your car thought it was running lean, did you have spacers on your O2 sensors to cause that?
I hope so, because if not then you have something else wrong like maybe an intake leak after the MAF, bad injectors of fuel pressure, or something
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Old April 5th, 2019, 09:10 PM   #30 (permalink)
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Yes, I have the RRE spacers on the O2 sensors. Seems like those codes are common when the spacers not letting enough exhaust through?
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Old April 5th, 2019, 09:11 PM   #31 (permalink)
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Yes, I have the RRE spacers on the O2 sensors. Seems like those codes are common when the spacers not letting enough exhaust through?
Yes drill the holes on the spacers bigger
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