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  1. #1
    Forum User
    Join Date
    Jun 2012
    Location
    Cambridge
    Posts
    38
    Car
    clio 182 FF

    Emissions light come on -fault codes found, anything to worry about?

    Hi guys,

    I am new to the whole clio thing so excuse my ignorance! I was recently driving my 182 at a steady 70mph when the eml light came on, and just stayed on over the next 70 miles or so. The car was running fine with no weird symptoms but at work i got my car plugged in and found some error codes and had the light reset and it hasn't come on in the past 50 or so miles since.

    The codes on the ecu were:

    301 brake pedal sensor
    278 destructive misfire
    280 catalytic convertor & obd error
    309 Cruise control pedal switcher

    Basically is there anything to worry about if the light stays off and the car runs ok? how long does the car store errors for? ive only had the car a week so they may be earlier errors.....
    One thing to note is that before it happened i had been driving in monsoon conditions had been through big puddles.

    Thanks

  2. #2
    ClioSport Club Member
    Join Date
    Nov 2010
    Posts
    3,879

    Re: Emissions light come on -fault codes found, anything to worry about?

    I had this and i changed plugs, Coil pack, HT leads & Lambda sensor and it cleared the lot.

    Spoke to a tech at a renault dealer and he said it was common for the brake pedal sensor & Cruise control pedal switcher to be thrown up with a simple misfire.

    This might be a lot of pi$$ but once i changed the above i have had no problems and my faults which are the exact same as yours never came back.

  3. #3
    ClioSport Club Member
    Join Date
    Dec 2010
    Location
    Southend, Essex
    Posts
    1,445
    Car
    S/C PB 182

    Re: Emissions light come on -fault codes found, anything to worry about?

    A simple blow in the joins either end of the cat can throw up an EML too

  4. #4
    Forum User
    Join Date
    Jun 2012
    Location
    Cambridge
    Posts
    38
    Car
    clio 182 FF

    Re: Emissions light come on -fault codes found, anything to worry about?

    thanks guys, yeah the light hasn't come back on yet and the car is performing perfectly (for a frenchie) so just wanted to double check that there is nothing to be concerned about. The spark plugs are pretty new and the car has a sport cat which may have some effect. I will see what happens i guess!

    Thanks

  5. #5
    ClioSport Club Member
    Join Date
    Jul 2006
    Location
    Burpspeed HQ Banbury,where else.
    Posts
    15,815
    Car
    182cup & 172 racecar

    Re: Emissions light come on -fault codes found, anything to worry about?

    Mine did this a couple of months ago after driving through really heavy rain, just got them cleared, nothing since.

    All sorts of things get stored in the ECU, don't worry about it.

 

 

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