When you have maintenance done on your car like an oil change, the mechanic will reset the computer to start counting again till your next service time. Follow the steps below to reset a BMW computer. Don't be alarmed. The issue got fixed yesterday, but they told me it could take up to a week to reset my car's computer--and if I got my emissions tested before it fully reset, I'd fail. It will have to learn once again how your car runs and adjust the data to match the tune of your car's engine. You can browse online to find the best maintenance tips about resetting the readiness monitor in the car. Drive your car for around 15 minutes to bring it to its normal operating temperature. Of course my check-engine light comes on 4 days before the deadline to get my emissions tested. As we know, the automotive computer plays a crucial role in the car. So why is the light still on? 1995 and older have no emissions testing,only safety checks. I was stunned and asked what the heck for, my car was fine. Why The Issue Of Readiness Monitors Won’t Reset Occurs? How to Reset Computer on Chevy Silverado: Complete Steps. Went down to the corner shop and asked for an inspection, thinking nothing of it and I would be done in a few minutes. And it’s getting on your nerves. Here's why: Your ECU now has default numbers in its memory. Here’s something you probably don’t know: after clearing the car’s computer you will need to drive for about 50 to 100 miles. We are going to discuss the possible fixes for this issue. Resetting your cars ecu, should not be a hassle at all as there are many more ways to reset your ECU and there are many more reasons for doing so. Maybe it cost you a fortune. Now that you have made up your mind to reset your ECU system, just follow these instructions and be safe:. Some people report that their engine runs a little rough or idles poorly after they have reset the ECU. The computer monitors the system following certain criteria and it may take several drive cycles to reset...here is a site that helps describe the process..pages 5-8 explains in better detail. Tar Heel Person>copy and paste the link below,and also on a 2001 and newer vehicles,the NCDMV allows 1 monitor to be NOT READY and it will still pass emissions testing. After about 45 minutes the guy comes in and said everything was ok with my car. However, you might notice that the readiness monitors won’t reset and does not allows an on-board diagnosis. for all 1996-2000 model year vehicles the NCDMV allows 2 monitors to be NOT READY and it will still pass! Question type: Maintenance & Repair The examination itself involves a test drive unique to each vehicle manufacturer. Chances are that you’ve had your check engine light issue fixed BUT the light is still on! It is believed that resetting the automotive computer in the car can increase the fuel economy. In fact, most of the diagnostics and displays are run by computer. This may help reset for emissions test. When it is followed as directed, it will help reset the sensors and monitoring equipment inside the PCM and help the mechanic determine if the repairs were completed correctly. Now stop, open your car’s bonnet and remove the lead of earth from the battery. BMWs are sophisticated cars. What if you change the oil and filter yourself? Of course I'm expecting the $12.50 but this guy says something like $60 or $70!! This site is for older BMW's but the parameters are fairly the same. Asked by cmw111213 Oct 09, 2014 at 11:34 AM about the 2004 Buick Regal GS Sedan FWD. Its benefits are not limited to this. If you need to reset the computer/light to get a state inspection you may have to reset the light and drive the car more than 100+ miles to truly reset the light. We are going to discuss the possible fixes for this issue but this guy says something like 60! 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