Smog Failed - Not Ready

[Caraholic]

There's nothing wrong with the vehicle. It's a California thing, where they require new vehicles purchased out of state to pass smog immediately. But it takes a while for all of the readiness checks to occur on a new car (or after the battery is pulled). If the vehicle is purchased in California, it's not an issue.

True story, hopefully it’s 50 state emissions and there’s no future issues

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[ThePhotoBus]

Since this is the only "Failed Smog" gladiator thread I'll add my two cents as I also faced this issue. Hopefully this thread will help others as it has helped me. Thanks ThePhotoBus!

Trim: Sport S w/ Max Tow (Custom order)
Year: 2022
Odometer Reading: 982
Purchased from: Peterson Jeep (Nampa, ID)
Residence: California
Reason for failed Smog Check: Drive Cycle Monitor Not Complete

What you should try....

Preconditions:
1. Purchase "Veepeak OBDCheck BLE OBD2 Bluetooth Scanner" ($32.99)
2. On your mobile device install "Car Scanner ELM OBD2" from the GoolePlay store (free)
3. Fuel level between 40% - 75% (I read this...somewhere)

Why was my vehicle not completing the drive cycle monitor?
The "Car Scanner" app said ERG monitor was 'not ready'.

How do I get the ERG System Monitor to pass?
1. Find a long stretch of a quiet street, preferably outside city limits
2. Start the Jeep and let idle for ~ 5 minutes
3. Accelerate to 50-59mph (do not hit 60) and hold for 2-3 minutes
4. Remove your foot from the accelerator
5. Allow the Jeep to coast to ~10 mph
6. Pull over on the shoulder and let the Jeep idle for 2-3 minutes
7. Repeat Steps 3 - 6, three/four times.

Any gotchas?
Yes. Most of the monitors reported by the "Car Scanner" app pass in real-time. As you're driving the app is updated when conditions are met; however, the "ERG System", "Oxygen Sensor", & "Oxygen Sensor Heater" monitors only updated when I (on a fluke) shut off the Jeep (for 1 - 3 seconds) and then turned on the Jeep again. I say this to say, you could have finished Steps 1-7 above and be frustrated that the "Car Scanner" app hadn't updated. So....be aware of this.

How many miles did you need to put on your new Jeep to pass?
Roughly 25 miles. I went through each monitor in the app and made sure they passed before I got to the "ERG" monitor. This worked for me. My smog check now passed and I still have less than 1000 miles on my new Jeep (I picked up ~700 driving from ID to CA). I don't know about "ThePhotoBus"'s Rubicon needing ~3300 miles but I can say it's possible to pass the smog with a Sport S w/ Max Tow with under 1000 miles at least.

Again, thanks to "ThePhotoBus" because without this thread my quest for plates would have been much more strenuous! Time to get those plates!

Additional Resources

(He says bring it up to 65 though, so you could try it)



https://smogcheckvacaville.com/chrysler-drive-cycle-odb2-readiness-monitors/

@WilliamP - great to hear yours got through the process more quickly and that the thread helped. If more people document their experiences and mileage maybe we'll see if there are any differences: diesel vs gas, and continue to narrow down what works best. Thanks!

 

[PJZ]

New Gladiator Rubicon Diesel, bought from TN, smogged 3 times in CA. Continues to fail with 3 monitors "Not Ready": Fuel System, Catalyst, and Oxygen Sensor Heater.

Previous Jeep tech advised to drive for 55mph for 5 minutes, then accelerate to 65 for 5 minutes, then decelerate to 55 and hold for 5 minutes - all while not braking or using cruise control. I repeated this process 4 times last night to no avail.

Left voice message with Jeep customer service at the recommendation of tech advisor. No callback yet.

@JeepCares - any advice?

Thanks for starting this thread. Was just struggling with the smog check for my JT bought out of Kentucky. Drove it a bunch this week, up to 650 miles, and had two sensors not active.

Had to go back to smog 4 times total, but the last time was bc the guy didn't remember it was a diesel and just said two sensors not working go drive more (no knock on him - good guy). Read all of these posts plus did some googling.

A newer diesel WILL pass with two sensors not reading.
Will go get my plates later this week. Previously did all the DMV work but had to get the smog check to finish.

CA BAR info
https://www.bar.ca.gov/Industry/OBD_test_reference

The number of incomplete OBD readiness monitors that are allowed to pass the OBD test portion of a Smog Check inspection are provided below.

Model Year	Fuel Type	Number of Incomplete Monitors Allowed to Pass OBD Test1
1996-1999	Gas2	Any one3
2000 and newer	Gas2	Evaporative system3
1998-2006	Diesel	Zero
2007 and newer	Diesel	Any two

 

[intentsrig]

If at first you don't succeed, try again

The 3 failed smogs were all in the same week. Each after trying various advice that did not work.

I ended up putting 6k miles on it in 1 month. Monitors finally became ready at 3247 miles.

It took that many miles! Currently having this issue with my JL. I think ever since I changed out my batteries. 3.6L manual.

Seems like the Jeep is not doing the system checks. Ignition on run, check engine light flashes 10 seconds, stays solid. Indicating the system is not ready. Aka sensor not ready. For me it’s the O2 that just won’t go to being ready.

Otherwise no check engine light while Jeep is actually running

 

[Teqsand]

Mine didn't pass Calif smog when I bought it, was a bad EGT harness.... affected the VVT also

 

[intentsrig]

Mine didn't pass Calif smog when I bought it, was a bad EGT harness.... affected the VVT also

You had no check engine light or codes of any kind?

 

[LostWoods]

It took that many miles! Currently having this issue with my JL. I think ever since I changed out my batteries. 3.6L manual.

Seems like the Jeep is not doing the system checks. Ignition on run, check engine light flashes 10 seconds, stays solid. Indicating the system is not ready. Aka sensor not ready. For me it’s the O2 that just won’t go to being ready.

Otherwise no check engine light while Jeep is actually running

Where in CA because monitor tests often require fairly specific parameters like fuel tank level, cold/warm start, ambient temperature, time since last start, etc. When I used to do smog in CA I often had to leave them overnight and run the monitors in the morning because ambient was too hot for them to run.

So what I'm getting at here is that if your normal routine isn't setting the tests, maybe mix it up a little and see if it helps.

 

[intentsrig]

Where in CA because monitor tests often require fairly specific parameters like fuel tank level, cold/warm start, ambient temperature, time since last start, etc. When I used to do smog in CA I often had to leave them overnight and run the monitors in the morning because ambient was too hot for them to run.

So what I'm getting at here is that if your normal routine isn't setting the tests, maybe mix it up a little and see if it helps.

Sacramento. So it’s hot now but it’s been months since I changed the batteries. Probably at least a bit over 1k miles if not more. Maybe 2k. Don’t daily drive it anymore though.

I’ll give it some more time. I do have a tazer mini but from what I’ve read/ been told that has no effect. People pass smog all the time with it.

I will try more specific driving cycles

 

[Teqsand]

You had no check engine light or codes of any kind?

codes yes, CEL no... just wouldn't pass due to sensors not being online.... and shitty mpg due to the vvt not functioning correctly
I have a screenshot somewhere of the Jscan I'll look

 

[LostWoods]

Sacramento. So it’s hot now but it’s been months since I changed the batteries. Probably at least a bit over 1k miles if not more. Maybe 2k. Don’t daily drive it anymore though.

I’ll give it some more time. I do have a tazer mini but from what I’ve read/ been told that has no effect. People pass smog all the time with it.

I will try more specific driving cycles

If you can tell me which haven't run I can probably give a bit more insight. The kicker for EVAP was typically cold start followed by normal warm-up and a longish steady cruise. The other difficult one was some O2 tests where it was normally cold start, minute or so idle (checks the internal heating element), then again steady cruise. Basically looking for a typical morning commute routine.

When I turned wrenches 10+ years ago we were allowed to have two monitors not run but I don't think that's the case anymore. Really sucks because after repairs, getting those EVAP ones to run without a factory scan tool where you can monitor the required test parameters really sucked to clear. I've literally driven 90 minutes in a customer car to set them when they didn't want to take it and do it them self.

 

[intentsrig]

If you can tell me which haven't run I can probably give a bit more insight. The kicker for EVAP was typically cold start followed by normal warm-up and a longish steady cruise. The other difficult one was some O2 tests where it was normally cold start, minute or so idle (checks the internal heating element), then again steady cruise. Basically looking for a typical morning commute routine.

When I turned wrenches 10+ years ago we were allowed to have two monitors not run but I don't think that's the case anymore. Really sucks because after repairs, getting those EVAP ones to run without a factory scan tool where you can monitor the required test parameters really sucked to clear. I've literally driven 90 minutes in a customer car to set them when they didn't want to take it and do it them self.

Well yesterday it was egr and O2 but when I got home my obd2 scanner said only O2 not ready. Today it’s a basically all of them again but I have not driven today. Could it somehow be resetting itself? Or do you need to drive to get some of them to register. Just been sitting cold overnight.

 

[Glad_he_ate]

Just imagine how much pollution is made driving pointlessly just to pass the emissions check. 2831 lbs of co2 at 28mpg. Roughly. Thank the lord for all the tree huggers in California really thinking things though….and that was just your ONE Vehicle….

 

[Mojave2021]

Another option if you can’t get the smog related sensors to set during normal driving is to have a smog shop simulate the driving conditions on a dyno. I had to do this when an LS swap I recently did wouldn’t set the sensors after 500 miles of driving.

 

[Mr._Bill]

I had to replace the main battery in the Compass. It took about 50 miles, 30 on the freeway, to get it ready for a smog check. I discovered I can use the OBDLInk MX+ and the app that comes with it to see when it is ready to test.

 

[intentsrig]

Still no go for my o2 sensor. Even after pcm update.

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