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1. #2006 mercedes ml350 evaporative system monitor incomplete how to#
2. #2006 mercedes ml350 evaporative system monitor incomplete drivers#
3. #2006 mercedes ml350 evaporative system monitor incomplete series#

I’m teaching you to fish, not giving you fish.

#2006 mercedes ml350 evaporative system monitor incomplete how to#

You came to find out how to get the catalytic converter monitor to pass, and so far, I’ve said nothing other than the car is most likely fine and there are a lot of different obscure driving patterns to get the monitor to run.īe patient. You may be wondering why you’ve read this far. But why won’t the converter monitor ready!? Once again, I had to go out and make new friends on the road, but the monitor passed. Accelerate to 50 MPH, then decelerate to less than 6 MPH without touching the brake. By the way, cruise control is often the best way to complete a catalyst monitor.Īnother car needed to be driven in 2nd gear to pass part of a monitor. There was nothing wrong with the car, it just required some ridiculous driving to run. No wonder the car’s owner couldn’t get the monitor to run!I threw on the hazards endured some dirty looks, but the catalyst monitor inc message switched to catalyst monitor ready, just like it should. Not only that, but 50 MPH is well under freeway speed when the freeway is clear enough to drive that far without having to slow down. That’s about 8 miles at the same speed, without slowing down or speeding up. One car I worked on had to be driven at 50 MPH with a steady throttle for 10 minutes. Here’s one of the worse catalyst drive cycles ever. I’d love to give you exact catalyst monitor drive cycle instructions, but there are a whole lot of variations.

We usually send people to 7 Days a Week Smog in Berkeley. Most smog inspection stations will tell you over the phone. It’s not permissible for most cars, but there are a few older cars where California has made an exception. Can I pass CA smog with catalyst monitor not readyĪs of this writing, maybe.

For instance, if you only drive around town, the catalyst monitor will never run, at least not on any car I know of. By conditions I mean things like vehicle speed, the amount of throttle, and the combination of the two over time. The monitor requires certain conditions to run. There isn’t a magical number of miles that will set your converter monitor to ready. How many miles to drive before smog check We’ll talk more about that later, but let’s start with the assumption that your car is OK, which is the case almost all of the time. This is very important to know if the catalyst monitor just plain won’t run, no matter how much you drive. In the case of the catalyst monitor, the O2 sensors are the key sensors. All monitors, including the catalyst monitor, are dependents on sensors.

#2006 mercedes ml350 evaporative system monitor incomplete series#

The catalyst monitor is a series of tests the car’s computer (ECM) does to determine if the catalytic converter is working normally. It’s extremely rare that there’s a problem with the car. The catalyst drive pattern is almost always something you can do yourself while driving somewhere you needed to go anyway. If you’re ready to give up, we’ll do it for you, and if we can’t get it to run, we’ll find out why it’s not running and fix the problem(s), but we charge. The monitor for the catalytic converter is usually one of the most difficult to get to run.

You think, “I’ve already driven the car!” Wash, rinse, repeat - until you have no hair left. The guy says you’ve got to drive some more. The guy says you’ve got to drive around some more. Since you’re reading this, I’m guessing that you’ve learned what a monitor is, and are pretty frustrated.

#2006 mercedes ml350 evaporative system monitor incomplete drivers#

“Not so fast”, says the state, “We’re also going to check to see if the monitors are complete.”Ī few years ago, most drivers (and a few mechanics) had no idea what a monitor is. “Ah ha!”, says the crafty consumer, “I’ll just disconnect the battery to clear codes and then go pass the smog test!” It’s simple test and has reduced the price of smog testing. If the check engine light is on, the car fails. Instead, we check to see if the vehicle’s computer has found any problems that might cause increased emissions during the smog inspection. Find out more about our advertising opportunities.How do you get a catalyst monitor to run? Why do you need it to run? Well, in California all vehicles model year 2000 and newer don’t require a tailpipe emissions test. Advertise Advertising on is well-targeted, has unique benefits, and is highly successful. Looking for something lighter? Read our funny complaints to see people who found humor in a bad situation. Vehicle Problems Find out what cars to avoid, view the latest problem trends, or keep up-to-date with the most recently reported problems. Contact us with any comments or concerns.