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Megane III engine failure - Exhaust faults esp Megane III injection

bartosz323 28017 12
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 16982167
    bartosz323
    Level 8  
    Posts: 15
    Rate: 14
    Hello. Today during a normal quiet ride outside the city a message tree popped up:
    Orange key
    Engine indicator light
    Check fuel injection
    Check the exhaust system
    Check esp

    And immediately a slight tugging of the whole car, I turned off, fired and after a few meters the same. Later, only the exhaust system indicator was left.

    Renault megane III 1.5 dci 110km with dpf.
    I will also add that for about a year I have jerking when starting from one and back in the cold. Clutch or dual mass diagnosis. Could this have a relationship?

    Any ideas? :(

    best regards
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  • #2 16982379
    bsv2001
    Level 17  
    Posts: 146
    Help: 26
    Rate: 183
    Renault Clip - error codes?
  • #3 16983223
    bartosz323
    Level 8  
    Posts: 15
    Rate: 14
    Currently, I do not light up any mistake on the board but tomorrow I am going to a Renault Dealership and I will tell if I find out anything but I do not count on miracles from them
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  • #4 16983301
    brani
    Level 17  
    Posts: 223
    Help: 19
    Rate: 112
    bartosz323 wrote:
    I don't count on miracles from them
    You don't have anyone with a clip around ???
  • #5 16986523
    bartosz323
    Level 8  
    Posts: 15
    Rate: 14
    Unfortunately I do not have. At ASO, they examined what and how. Errors that the computer remembers is a boost pressure error, turbine control error or something like that. They said that they can not be associated with any specific fault and that they believe everything is ok. After this situation I bought a fuel additive that cleans the injectors and chased the car to the express machines and it has helped so far.
  • #6 16986866
    stasiekb100
    Level 31  
    Posts: 2027
    Help: 114
    Rate: 445
    What is your everyday turnover range?
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  • #7 16987036
    bartosz323
    Level 8  
    Posts: 15
    Rate: 14
    I only have 4 km to work, and like a cold diesel it is max 2100
  • #8 16998918
    migmig85
    Level 26  
    Posts: 722
    Help: 85
    Rate: 332
    Buddy, do DPF burning.
  • #9 17022308
    bartosz323
    Level 8  
    Posts: 15
    Rate: 14
    Colleagues I will add that after lighting up these controls, my errors have been cleared up, but since then I have a strange situation, namely when I'm driving at a constant speed and I want to brake the lights to zero before the lights, the speed normally drops after pressing the clutch but instead of the engine clatter you can hear such brum brum brum brum and it just clicks as if the revolutions are not falling evenly though the pointer is normally at the bottom. And the sound is like I would go out in a moment but after a few seconds everything returns to normal The lower the temperature outside, the more it is felt
  • #10 17022374
    bsv2001
    Level 17  
    Posts: 146
    Help: 26
    Rate: 183
    fuel pressure regulator
  • #11 17811172
    intar1
    Level 1  
    Posts: 1
    I'm joining the problem.

    I stick the card - I start it - and we have the orange "Check ..... injection" key

    I will add one thing that I hear from buying a car (4 years of driving). Well, at a rotation of ~ 1800-2200 you can hear some strange metallic sound of the engine. The seller said that the turbine "starts", but somehow it does not give me peace and now that this message about the injection appeared .....: /?

    Can anyone with Megane 3 (2009) without a dummy and dual mass confirm this? Do your engines hear "evenly"?
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  • #12 17811276
    brani
    Level 17  
    Posts: 223
    Help: 19
    Rate: 112
    dwumasa .........................
  • #13 17812193
    bartosz323
    Level 8  
    Posts: 15
    Rate: 14
    As for this error Check the injection and exhaust I learned that it was related to DPF and I started to ride longer routes and since then silence So I abandoned the topic and the error does not display.
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Topic summary

✨ The discussion revolves around engine failure issues in a Renault Megane III, specifically related to exhaust and fuel injection systems. The user reported warning lights for engine, fuel injection, exhaust system, and ESP, accompanied by car jerking. After visiting a Renault dealership, the user received vague error codes related to boost pressure and turbine control but was advised that everything seemed fine. The user later used a fuel additive to clean injectors, which temporarily resolved the issue. Other participants suggested performing DPF (Diesel Particulate Filter) regeneration and noted that similar injection and exhaust errors could be linked to DPF issues. The conversation also touched on symptoms like unusual engine sounds and clutch problems, indicating potential dual mass flywheel issues.
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FAQ

TL;DR: Megane III 1.5 dCi 110 hp reported “Check fuel injection,” “Check the exhaust system,” plus ESP lights; a quick restart didn’t fix it. [Elektroda, bartosz323, post #16982167]

Quick Facts

What do “Check injection / Check exhaust / ESP” mean on a Megane III diesel?

In this case, all three lit during a quiet drive, with a brief tug and no lasting fix after restart. The thread later tied the injection/exhaust warnings to DPF loading rather than a hard engine failure. Treat it as a drivability/aftertreatment issue first, then scan for codes. [Elektroda, bartosz323, post #17812193]

Can short trips cause DPF-related warnings on the 1.5 dCi?

Yes. The owner did mostly short, cold drives and later confirmed the DPF link. After switching to longer routes, the warnings stopped. “I started to ride longer routes and since then silence.” This pattern suggests incomplete regenerations during short trips. [Elektroda, bartosz323, post #17812193]

What RPM and trip profile did the affected car have before the warnings?

The driver had a 4 km commute and kept the cold diesel at or below 2100 rpm. This operating pattern limits exhaust temperature and can delay DPF regeneration. Consider adjusting usage to allow periodic hot runs. [Elektroda, bartosz323, post #16987036]

Which fault codes were stored when the dealer checked it?

The dealer reported boost pressure and turbo control faults stored in memory but could not tie them to a specific failed part. They believed everything was otherwise OK. Treat such codes as context while you address DPF loading. [Elektroda, bartosz323, post #16986523]

How can I try a safe, thread-tested clean-up before repairs?

The owner added an injector-cleaner additive and drove the car hard on the expressway. Symptoms subsided afterward. How-To: 1. Fill with quality diesel and add cleaner. 2. Warm the engine fully. 3. Take a sustained expressway drive. [Elektroda, bartosz323, post #16986523]

What scan tool should I use to read Renault-specific errors?

Use Renault CLIP to read manufacturer-specific codes and live data. A member explicitly asked for CLIP error codes early in troubleshooting, highlighting its relevance here. Generic OBD tools may miss Renault-specific flags. [Elektroda, bsv2001, post #16982379]

Why does the engine go “brum brum” when coasting to a stop, especially in cold weather?

The owner described uneven decel noise with normal idle indicated. It lasted a few seconds, worse in lower ambient temperatures, then normalized. That behavior can accompany aftertreatment events or fueling transitions on cold engines. Scan data will confirm. [Elektroda, bartosz323, post #17022308]

I hear a metallic sound around 1800–2200 rpm. Is that normal?

One member reported a persistent metallic tone at ~1800–2200 rpm and saw a “Check injection” message. They had driven four years before noticing escalation. Capture a recording and inspect the drivetrain and turbo area. [Elektroda, intar1, post #17811172]

Could a dual‑mass flywheel (DMF) cause the metallic noise?

Another member answered that the symptom points to the DMF (“dwumasa”). A failing DMF can rattle within a narrow RPM band and under load changes. If noise aligns with clutch engagement, inspect the flywheel. [Elektroda, brani, post #17811276]

Is the ESP warning related to engine faults here?

The ESP light appeared alongside engine and exhaust warnings during the event, then disappeared, leaving only the exhaust indicator. Address the engine side first; transient ESP lights can follow torque‑limp interventions. [Elektroda, bartosz323, post #16982167]

Did longer highway drives really solve the warnings for this owner?

Yes. After connecting the issue to the DPF, the owner began taking longer routes, and the messages stopped appearing. This suggests successful passive or assisted regeneration during those trips. [Elektroda, bartosz323, post #17812193]

What is the DPF on this Megane III?

DPF refers to the diesel particulate filter fitted to the 1.5 dCi 110. The thread links injection/exhaust warnings to DPF loading, not immediate injector failure. It’s part of the exhaust aftertreatment system. [Elektroda, bartosz323, post #16982167]

What does “dwumasa” mean in the thread?

“Dwumasa” is Polish for dual‑mass flywheel (DMF). A respondent suggested DMF as the source of the reported metallic noise. Inspect clutch and flywheel if sounds track clutch use. [Elektroda, brani, post #17811276]

Injector cleaners: helpful or hype in this case?

The owner added a fuel additive marketed to clean injectors, then drove on the expressway. They reported improvement afterward. While not a diagnosis, it coincided with fewer warnings. Document results and re‑scan. [Elektroda, bartosz323, post #16986523]

If boost/turbo control codes appear, what’s the next step?

Don’t replace parts blindly. The dealer saw boost control codes but no clear culprit. Verify boost leaks, actuator function, and DPF load, then road‑test after a hot run. [Elektroda, bartosz323, post #16986523]
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