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Renault Megane 2 1.9 DCI 2006 - Loss of Power, Cleaned EGR, Issues in 5th/6th Gear & Gas Pedal

tytan53 16083 13
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  • #1 16877285
    tytan53
    Level 8  
    Hello all.
    Recently, I wrote on the forum a post about my megane who did not want to get into the turn (https://www.elektroda.pl/rtvforum/topic3404237.html#16862749)
    I cleaned the EGR and temporarily the problem disappeared, the car drove normally, did not kick, did not jerk, generally there were no problems until today when I returned from the route.
    At the beginning the car began to lose power in the 5th and 6th gear, later it was getting worse because when I braked to zero at the traffic lights and started it started to lose power from the start, it only spun to 2,000. turns and in gears 4-6 he had no strength to go, I went down to the creek I turned it off and fired and the problem disappeared, it turned out that not for long because to the next lights then I went down again to the creek I turned off and fired and then he didn't want to shoot at all as if he did not react to the gas pedal, I turned it off again, waited a moment and fired and the problem disappeared for a few kilometers before returning again.
    Last Saturday I was cleaning the EGR, I replaced the boost pressure sensor with a new original as it was factory, I checked the flow meter and I think it is good with it. Tomorrow I was supposed to clean the intercooler but it seems to me that this is not the problem.
    it seems to me that it could be one of the sensors, e.g. accelerator or clutch pedal sensors. on the countertop no error popped up, previously popped up "check iniection" or something like that but I replaced the boost vacuum sensor and the problem disappeared. I would like to know if any of you had such a problem and how it was solved. Thank you in advance and best regards. Damian
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  • #2 16880412
    marcias
    Level 16  
    You have cleaned EGR so many times and it has helped you for a while, doesn't it give you food for thought?
  • #3 16880522
    tytan53
    Level 8  
    Not so many times I cleaned the EGR once and it wasn't in a bad condition, it looked good, but when I turned it off, I cleaned it and put it on
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  • #4 16880639
    marekwodniak
    Level 17  
    Electric jams so that I would blind him in the closed position.

    Added after 1 [minutes]:

    Electric jams so that I would blind him in the closed position. The fastest you can get by hooking to Clip.
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  • #5 16880725
    sebap
    Level 41  
    In Megane II, an electrically damaged EGR crashes on the board. Since you were cleaning the EGR, you also had to clean the intercooler and intake manifold.
    Clip diagnosis required.
  • #6 16881156
    tytan53
    Level 8  
    Tomorrow, unfortunately, I have to leave and my next question is, can I drive this car if it happens? Can I drive normally without fear of something going bad?
  • #7 16881308
    sebap
    Level 41  
    Don't ask us about it, you can go but you can also not get there because every car can break down.
    Personally, I wouldn't go.
  • #8 16895249
    tytan53
    Level 8  
    I repeat the topic, I did not clean the intercooler or the entire intake, but the problem may be in something else the car does not want to turn back again, the moment comes and immediately loses the turnover and goes out, what could be the reason? I will clean the intercooler and the intake tomorrow but I don't think it will help before I had no power, I disconnected the mapsensor and regained some power (as with a damaged mapsensor, it spun up to 2.5 thousand revolutions) and now even with the disconnected mapsensor it loses power and goes out sometimes it is ok and sometimes it suffocates and there is no power it is possible e.g. flowmeter? could this be a more serious fault?
  • #9 16895351
    marcias
    Level 16  
    Have you even connected it to Clip? Have you checked any parameters?
  • #10 16896054
    tytan53
    Level 8  
    I just didn't connect because I work in a delegation, the car is standing and I don't have time to take him to the mechanic. At weekends I can't catch anyone, and during the week I have no way of doing it.
  • #11 16896071
    marcias
    Level 16  
    In that case, it is a divination from coffee grounds. Connect and then you can continue to write.
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  • #12 16896304
    tytan53
    Level 8  
    On Friday I have a day off so I'll drive to the computer.
    Only mistakes I have to read? Anything else?

    -------------------------------------------------- -------------
    The car chokes and goes out when I disconnect the map-sensor, when it is connected, it happens the same but not every time, as if the flow meter was calculating the wrong values.
  • #13 16896389
    sebap
    Level 41  
    Errors in second place. Diagnostics are the key.
  • #14 17509573
    mariusz197309
    Level 12  
    I hope I will help you a lot . Hello everyone. I had a similar problem. RENO SCENIC 1.9 DCI 102 KM 2002. I move the car reaches about 2000 revolutions and loses power, it doesn't react to the accelerator, it doesn't go out and it stays on for about 1000 revolutions. On the website I was told that the gas potentiometer for replacement. Original PLN 400 and one hundred replacement. Satisfied I leave the service and at the first traffic light the same as it was, i.e. lack of power. I go back to the service the car is held for a week and then they say that the EGR cleared 10 km and it is 99% ok. No errors I receive the car I drive 5 km and the same as it was. I repaired the car by accident. At night, Renia standing back against the wall noticing the brake pedal and more precisely the brake light, i.e. the brake pedal pressure sensor, reacts to a slight knock even from the side. I screwed the sensor on the brake pedal by 3 revolutions and forgot what is the loss of engine power. Check that you have not jumped a few turns on the brake pressure sensor. Regards :)

Topic summary

The discussion revolves around a 2006 Renault Megane 2 1.9 DCI experiencing a loss of power, particularly in 5th and 6th gears. The user initially cleaned the EGR valve, which temporarily resolved the issue, but power loss recurred, especially after braking. The car struggles to accelerate, only reaching 2,000 RPM, and sometimes fails to respond to the gas pedal. Suggestions from forum members include checking for electrical issues with the EGR, cleaning the intercooler and intake manifold, and connecting the vehicle to a diagnostic tool (Clip) to identify error codes. The user also mentioned disconnecting the MAP sensor, which temporarily improved power but did not resolve the underlying issue. A similar case with a Renault Scenic highlighted the importance of checking the brake pedal pressure sensor as a potential cause of power loss.
Summary generated by the language model.
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