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Can your car pass its mot with the engine management light on?

Answer

No, your car will not fail its MOT if your Engine Management Light remains on when the engine has been started if it is before June 2003 reg. Under the new MOT rules, it is classed as a major fail if your car is older than July 2003. If your light is on, you should have your car checked at a garage.


Is your engine management light on and your cars is due for a MOT? Well it may not be a fail! So many MOT stations wrongly fail cars because of EML is on.


What the DVSA MOT manual states is the following.

Engine malfunction indicator lamp (engine management light or ‘EML’)

Can your car pass its mot with the engine managment light on?
Can your car pass its mot with the engine managment light on?

Can your car pass its mot with the engine managment light on?


Turn on the ignition and check that the engine malfunction indicator lamp (MIL) illuminates and then goes off. On some vehicles it will be necessary to start the engine before the MIL goes off.


You need to inspect MIL fitted to:

  • petrol vehicles with 4 or more wheels, not more than 8 passenger seats in addition to the driver’s seat and first used on or after 1 July 2003
  • petrol vehicles with 4 or more wheels, more than 8 passenger seats in addition to the driver’s seat and first used on or after 1 July 2008
  • gas and bi-fuel vehicles with 4 or more wheels, not more than 8 passenger seats in addition to the driver’s seat and first used on or after 1 July 2008


Kit cars, amateur built vehicles and American pickups are not required to be fitted with an engine MIL.


So next time a MOT station try’s to fail your cars MOT with an EML light on make sure it’s a correct fail.

What is an EML and how to fix it?

An EML light is just the cars way of telling you there is a fault. To fix your EML is quite simple, you need to firstly read what the fault code is on your car. It could be as simple as a plug or switch moved which has set a code on the car. This just needs to be reset or cleared to fix the EML problem.

Where to buy a OBD 2 scanner from?

You need to buy a OBD 2 Scanner to plug into your car to reset the EML, these scanners use to cost £1000s but now they are so cheap you could buy one for around £50 This is the same price we would charge to scan your car each time in our workshop! If you buy your own, you can scan your car as many times as you want and any other cars you or your friends and family have.

Autel is one of the best OBD2 reader manufactures out there. We have listed the 3 best cheapest OBD 2 scanners in our opinion below. Please be aware of fake or cheap OBD2 readers that could brick your car and cause more damage. The readers below we have used and tested in our workshop, we cant recommend or comment on other brands.

 

 

BEST SELLER

 

 

  1. 15/12/2020

    Thanks so much you are a life saver! My BMW EML was on last week and I purchased the Autel Maxilink you recommended for £99 as I didn’t really want a cheap one. I plugged it in, and it came up with air flow sensor faulty. I remember I had the service done on it few weeks back and they forgot to plug it back in when they changed the air filter!!!!! So, I plugged it in and cleared the code and it never came back on. Brilliant.

    • 15/12/2020

      I had the same problem on my BMW, I scanned it with the reader and it said the MAF faulty. I just unplugged it, cleaned the contacts and plugged it back in and the EML disappeared. Imaging how much BMW would have charged us to do a simple fix.

    • 26/12/2020

      No problem happy to help

  2. 15/12/2020

    Yes, I purchased a scanner and reset the codes like your said. It has been 2 months and the codes havent come back and the EML has stayed off. Got my MOT done all passed, thanks for the tips.

  3. 15/12/2020

    I can’t believe it, Audi wanted to charge me £300 to diagnose the EML fault. I purchased your recommend scanner from Amazon and found the fault myself. Cost me quarter of the rip off price they were trying to charge me.

  4. 26/12/2020

    I should have listened to your recommended OBD readers! I purchased a different brand and when I used it it didn’t work! It had loads of reviews but obviously probably fake, now they won’t take it back! I have now ordered the Autel Maxilink you recommended from Amazon.

    • 26/12/2020

      Yes we would advise to only purchase recommended scanners as we have personal used and tested these.

  5. 22/01/2021

    As a part time trader I have cars with various issues with dash lights on. The autel maxilink very good bit of kit. Cost me £80. My local garage wanted to charge me £100 . Every time I took a car there. Good reviews. I’m a genuine customer.

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