Question about 2003 Renault 181

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Starting problems with Renault Megane i Dynamique

I've experience irregular problems with my car that does not want to start. Wot shall i do, last weekend i had to call my insurance to tow me in. they mentioned that i'm the 4th caller struggling with the same problem on a Renault Megane. The guy that came to tow me, said it was his 3rd car that he towed could it be a factory problem,..im desperate and need advise. My e-mail adress is Shareline.gordon@labour.gov.za or 083 976 1008

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  • mr fawlty Jul 19, 2008

    i have a renault megane alize 16 auto T reg,most times it starts straight away but on other occations it turns over but takes at least 7 attemps before it starts. iv heard it could be the tdc sensor but i have no idea where its located could any body help me before i turn into basil fawlty & whip it with a broken branch.

  • Anonymous Feb 11, 2009

    locate tdc ? no manule

  • cpbbarnes Feb 25, 2009

    car will not start just keeps turning over without firing. Problem is intermitten as rac has been out to start car twice but when it goes into renault to be checked out the cannot find anything. They said it might be sendor unit but can not be sure.

  • cpbbarnes May 11, 2010

    alan rac



    Where do I find my oxygen sensor on my 2003 Renault Megane

  • chase16 May 11, 2010

    Hello, I have the same problem with irregular starting on Scenic RX4 . Starts perfect most of the while, then like the others will not start. Turns over correctly just will not start up We have been told its the Top Dead Centre Sensor and it needs cleaning but where is it on the engine please? Please help......

  • Travis cook Dec 28, 2012

    on the megane you will find the tdc sensor bolted with 1 bolt to the front of your gearbox ..once you remove it clean the sensor and twist the 2 terminals slightly to inprove contact

  • Travis cook Dec 28, 2012

    on scenic Can be found in same place if tdc is faulty,dirty,bad contact car will not start or starts intermittedly

  • david beatie
    david beatie Nov 30, 2013

    its on top of the gearbox, where it meets the engine

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Car won't stat when clutch is pressed in,but will only start when brake is pressed in.

Posted on Jun 28, 2010

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Hi would anyone know how many wires wna dwhat colout there are on the lambda ssenor on renault meagne dynamique

Posted on Feb 08, 2012

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Possible cause tdc sensor or fault on fule tank pump my megan turned out to be tdc sensor + oxygen sensor clean both and cleaned connections my problem disappeared
1 other possible fault may be the fule pump connector at the tank if you cant here the pump hum sor about 2 seconds when you turn the ignition on then i may be faulty

Posted on Nov 02, 2008

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Hi - I have just taken my megane 1.6 auto and I can tell you there was a problem with the design - and it will need genuine Renault parts to rectify it -crank positon sensor - TDC sensor - the uodated version has to be wired in further along in the harness -but the dealers will never admit to this - so pretend you are in an advert
"Why Did I Buy a Renault"

Posted on Jan 14, 2009

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Have the same problem think have sorted it
It`s the tdc sensor located by the gearbox local garage done took it off cleaned it £20 charge
starts first time now espessally in the mornings
try it worth £20

Posted on Jul 07, 2008

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Your tdc sensor is near your bell hoosing use a mobile phone camera to find it its banana shape with to nuts and for starting problems first time or when cooling down with the renault megane check it has originall renault megane spark plugs and clean the throttle body this should solf the problem this is on 03 to 06 meganes contact me to let me know how you got on on zanderkeenan@hotmail.com

Posted on Oct 04, 2010

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Iv had the crank saft sensor replaced and BINGO! starts 1st time everytime. thanks to everyone who helped

Posted on Nov 04, 2008

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Faulty immobiliser? or maybe a faulty ignition switch or a bad earth somewhere

Posted on Jun 22, 2008

I had exactly the same thing on my Renault megan scenic. I spent a fortune trying different things like the immobiliser etc etc. Eventually I went to a small back street garage who immediately said " crank shaft sensor" - he replaced it a year ago and that fault has never happened again ! (Although I wont be buying another Renault as I've had tons of other stuff go wrong since - but not connected with the crank shaft sensor).

Posted on Sep 04, 2008

  • david king Oct 01, 2011

    im having the problem at the minute, its the worst car im ever had will never have another

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