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Old 06-12-2024, 05:54 PM   #1
REX_WGN
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Default NYS Inspection - monitors not ready, have Cobb tune

Went for a NYS inspection last week and the shop said it wasn't ready. Gave me the temporary extension posted below and told me to go drive 60 miles. I knew it was odd because I didn't disconnect the battery recently. Drove it for about 100 and went back in today and still can't do the inspection. They asked if I have a tune and I said yes. They told me to check with the tuner or try to revert it back to stock tune, drive for another 60+ and come back. I got 3 days until it expires again.

Printout indicates monitors for catalyst and O2 are not ready.

I've reached out to the tuner and shop; waiting on a reply.

Cobb Tune was performed last summer. Pertinent mods include the latest Cobb GESI Downpipe with Grimmspeed EBCS.

Meanwhile, any insight from the forum?


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Last edited by REX_WGN; 07-19-2024 at 10:04 AM.
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Old 06-12-2024, 06:37 PM   #2
nwood1976
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Here's an odd question, did you have your access port cable plugged into the OBDII port? I have heard of emissions guys giving the monitors not ready reason when they encounter this situation.
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Old 06-12-2024, 07:26 PM   #3
REX_WGN
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Come to think of it, I think I left it plugged but the AP unplugged and in the glove compartment. As in that's how it's been since the tune last year.

Now what I don't know is if the inspection shop plugged the cable back in after they attempted to do the inspection the first time. I'm about to go to my car and check to see if they did plug it back in for me today.
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Old 06-12-2024, 07:59 PM   #4
Paisan
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Do you have a high flow downpipe? Have you had it tuned post-gogreen initiative at Cobb?

After the go-green initiative Cobb will no longer suppress any readiness tests or CELs for emissions. If you have a high flow cat/aftermarket cat, this can cause an issue with readiness and cels.

-mike
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Old 06-12-2024, 08:20 PM   #5
REX_WGN
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I have a Cobb GESI catted downpipe. Tune was completed last summer so it was after the whole fiasco with the green initiative. They were adamant I replace my catless downpipe with the latest Cobb GESI one so it would be interesting if that's the cause of it.

I made my post in haste earlier so left that critical info out. My apologies. Editing the first post with this info.


Quote:
Originally Posted by nwood1976 View Post
Here's an odd question, did you have your access port cable plugged into the OBDII port? I have heard of emissions guys giving the monitors not ready reason when they encounter this situation.
Quote:
Originally Posted by REX_WGN View Post
Come to think of it, I think I left it plugged but the AP unplugged and in the glove compartment. As in that's how it's been since the tune last year.

Now what I don't know is if the inspection shop plugged the cable back in after they attempted to do the inspection the first time. I'm about to go to my car and check to see if they did plug it back in for me today.
Yep, the shop plugged back in the AP cable from earlier today. Fairly confident that was the case after the first time last week as nothing was dangling in the footwell.
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Old 06-12-2024, 10:40 PM   #6
Paisan
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Even the GESI cats can cause CELs and Readiness Test issue IIRC. Thats why if you look up your car on Cobbs website, you will see they don't offer that for any car sold in the past 8 or 10 years. It MAY not throw a CEL but it COULD throw one unfortunately.

-mike
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Old 06-13-2024, 09:46 AM   #7
REX_WGN
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Mike, I don't doubt what you're saying but I can't imagine it being the case and it's not talked about enough. Google barely comes up with anything in regards to Cobb tunes and NYS inspections.

Is there a workaround? Flash the stock tune? I'll also wait to hear from the tuner.
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Old 06-13-2024, 06:21 PM   #8
nwood1976
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I had to get my 02 wrx emission tested last week in az. I went to get tested, the guy apologized to me and told me my car didn't pass for monitors not ready and he was giving me a strange smile. Saw the worker talk to his manager who shook his head and just said "car can't be tested ", come back when it can. I realized that my ap cable was plugged into the obdII port. I Googled monitor readiness procedures for my car and went out at night to satisfy all the driving conditions. Went back to the emissions test place afterwards without the ap cable and they passed me with no issues.
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Old 06-13-2024, 10:21 PM   #9
REX_WGN
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So you think he failed you because he saw the cable? Or he actually plugged the testing system in for the emission test and it's the same result as mine? I guess I'm a little perplexed by the strange smile detail. I'm going to google what you said and see what I find. I think you're on to something about the cable plugged in; that may be the key. I unplugged it yesterday so I'm going to get to 60+ miles and bring it back. I'm hoping that'll do the trick. I'll tip heavily, even if it isn't ready again, as I know it's annoying for the shop. And he's already doing me a solid with my tints.
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Old 06-14-2024, 05:58 AM   #10
Mulder
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It helps to have a live data scanner so you can watch the monitors as you drive and see when they set. If you have an Android phone or device, Torque Pro ($5) or Car Scanner (free or $5 for Pro) plus a cheap Bluetooth dongle will do this and much more.
Also it isn't just how many miles but the type of driving, the catalyst monitor will only set with a certain duration (maybe a few minutes) of sustained steady-speed driving with the car warmed up so if you only do local stop-and-go it may never set.
NYS allows one monitor to be not set for 2001 and newer vehicles.
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Old 06-14-2024, 09:44 AM   #11
nwood1976
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Quote:
Originally Posted by REX_WGN View Post
So you think he failed you because he saw the cable? Or he actually plugged the testing system in for the emission test and it's the same result as mine? I guess I'm a little perplexed by the strange smile detail. I'm going to google what you said and see what I find. I think you're on to something about the cable plugged in; that may be the key. I unplugged it yesterday so I'm going to get to 60+ miles and bring it back. I'm hoping that'll do the trick. I'll tip heavily, even if it isn't ready again, as I know it's annoying for the shop. And he's already doing me a solid with my tints.
I can't say if the cable was the cause, but they did seem annoyed by it and I cruised right through when I went back without it. It could have just been monitors not ready, but who knows. The info I found for getting the monitors happy was: start car and idle with ac turned on and rear defrost turned on for 2 minutes. Then drive up to 55mph and hold for 5 minutes, then coast to slow down around 20mph, then back to 60 for 5 minutes.
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Old 06-15-2024, 09:35 AM   #12
REX_WGN
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Thanks for the help, everyone. I'll provide an update when I have one.
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Old 06-16-2024, 12:57 PM   #13
REX_WGN
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Shop that tuned the car told me to plug the AP in and do a factory reset. Then told me there's diagnostics option to check I/M Readiness and to monitor it as I log the miles. When a few of you told me there's options for me to track all of this, I figured the AP would have it too.

Literally with less than 20 miles, which included local and highway miles to my parents, all the sensors including the oxygen and catalyst sensors were READY! The only one that remained 'Not Ready' was the Evaporative System one. I was going to bring it back to the inspection shop but had other things going on. Echoing what Mulder said, they indicated that 1 sensor Not Ready is good enough to pass inspection. But I figure I let it get Ready with more miles and not risk another wasted trip.
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Old 06-21-2024, 09:49 AM   #14
Paisan
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Yeah the cat *can* cause readiness issue but not necessarily. That's why it's hit or miss on the newer cars with the GESI cats and APs.

-mike
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Old 07-16-2024, 09:28 AM   #15
REX_WGN
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Shop got back to me and told me to use the AP to reset the ECU. Then keep track of the monitors in the I/M Readiness portion as I increase the mileage. Eventually, all the monitors turned ready, including the ones that were plaguing me, EXCEPT the evap system monitor. That was odd. I drove it another ~100 miles with no change. The inspection shop, like Mulder pointed out, that one monitor can be not ready for the inspection to go through. So off I went for the third time to them and it passed.

If you are unable to pass (not exactly failing) NYS inspection due to monitors not ready, reset the ECU via your Cobb AP and monitor your monitors via the I/M Readiness option. When you have all the monitors turn ready (or only one not ready) after some 50+ miles, then you are ready to pass NYS inspection.
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Old Today, 06:55 AM   #16
sqc151
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What year Subaru?
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