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Discussion Starter #1
Hello friends
My Renault Megan 2018 has an interesting problem .when the motor stops and i want to restart the motor, it can't start and the engine make thin noise.
so i have to unplug the battery and reconnect. something reset like.
after that noise gone and motor start again.
is anyone help to solve the problem?
Thank you
 

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Discussion Starter #3
Hi Dancingdad
Thank you for your reply.
I mean some continuous sound about 15kHz.
The sound comes from around the engine when i push start button.
The sound never goes off until disconnect the battery
 

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Super Moderator Technical Supremo Platinum Member
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Okay.
So a buzzing sound.
Can you identify where in the engine?
Top, round the back, by gearbox, where?
And what engine/fuel please
 

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Discussion Starter #5
Hi @Dancingdad
I try to collect some more info (photo&video) .so i will send you as soon as i can.
but fuel is Petrol ( as we say benzine ).
thank you
 

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Discussion Starter #7
This discussions about the 2018 Renault Megane have begun on this forum before . Please pay attention again ,to continue solving the problem.
Thank you

 

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Super fantastic Mod Technical Supremo Nice Guy
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How long is it ACTUALLY buzzing for
Switch the car off, lock it up, and walk back in 10 minutes, if still buzzing then you have a problem. if its flattening the battery overnight then its a major problem

Lots of sensors/actuators dont switch off as soon as the engine is stopped, but can take up to 5 minutes,
 

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Discussion Starter #9
Hello Ours2012

Thank you for reply

First of all , buzzing don't start when switch the car off , but when , start engine again . after that continues until flattening battery ,beside the dashboard light and all electric systems don't to be turn off .

So I have to disconnect the battery.
When I reconnect the battery , every thing is OK!

And an other hand as you may know unfortunately, Renault Service Center in Iran has not provided any services to their vehicles for the past two years due to US sanctions so i have to solve problems myself.

Best regards
 

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Super fantastic Mod Technical Supremo Nice Guy
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ouch.
you need to buy; ( Sorry never ever ask anyone spend money, but for this you have no other choice ,)
an Interface, and one that can read the under bonnet fuse box ( UPC )..
The faults will be in there, as a relay is not switching off..
Now this could just need Resetting, and not a fault, or a software update..
So you would need a decent one ( Not a £90 Can Clip of Ebay ) But a decent Probe (RT2002 ),
There are other tools out there, But the probe will deffo work
But can tell you what wont work.
Elm Based interfaces
Ren -Com.
Delphi/worth/autocom
Consult 3 .
Or a cheap [email protected]
So dont buy any of the above, you will waste your money

All these are for earlier vehicles, and WONT cover yours (whatever anyone tells you ).
 

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Discussion Starter #11
Ya! ..it's seem i don't have any other choice , so i'll try to provide the Interface probe and read UPC .
It is possible you send me that probe link on Ebay ?

Best Regards
 

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Super fantastic Mod Technical Supremo Nice Guy
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I dont know how good this is, and YOU need to check with him ..
His reputation seems Very good,


 

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Discussion Starter #13

  • Dear ours2012
Thanks a lot for your reply and link..
You are perfect. (y)

Best regards
 
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