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265 Check Anti-Pollution, ESC & Engine Failure Warning

Discussion in 'Mechanical - Engine, Gearbox, Exhaust etc' started by Enock Mhlope, Dec 28, 2020.

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  1. Dec 28, 2020 #1
    Enock Mhlope

    Enock Mhlope

    My Megane RS 265 had a few warning lights on the dashboard. I had a diagnostic check done by the RAC. The coil packs checked and they’re functioning fine, possibly the fuel injectors but not 100% confirmed.
    Warning for “Engine Failure Warning”, “ESC” and “Check Pollution System”.

    Anyone else had this issue that can advise on what the cause of the issue was and roughly how much repairs were for their car.
     
  3. Dec 28, 2020 #2
    197gaz

    197gaz

    Hows it running?

    Any mods decat etc?
     
  4. Dec 28, 2020 #3
    Enock Mhlope

    Enock Mhlope

    running lumpy, power alternating. No mods on the car at all
     
  5. Dec 29, 2020 #4
    bobsan

    bobsan

    best get it on good ECU reader like CLIP for correct codes, could be multiple things usually plugs, coil packs or sensors inc zort and inlet sensors causing it fuel incorrectly
     
  6. Jan 10, 2021 #5
    Enock Mhlope

    Enock Mhlope

    Turns out the wiring loom was damaged as part of it was by the dipstick. Possibly repairable, Renault quoted that it would cost £1500 for a new wiring room. Does this sound right? As I’ve found second hand wiring looms on eBay for around £120. I’m assuming it’s quite a time consuming task to complete?
     
  7. Jan 10, 2021 #6
    ianplymouth

    ianplymouth RSM Club Member

    If its just the engine loom it won't be too bad a job, getting to the aircon pump, oil level and pressure switch's and starter motor, all the other stuff is on or near the top of the engine.
     
  8. Jan 11, 2021 #7
    bobsan

    bobsan

    right around the dip stick there's something like three branches in the loom it's quite a busy area but should be repairable if you can see physical damage and certainly worth investigating with those sorts of cost involved replacing the loom, got any foto's ??
     
  9. Jan 12, 2021 #8
    Enock Mhlope

    Enock Mhlope

    Didn’t need a new loom after all, repairable and the bill was reasonable including a sparks plug change. Although a radiator leak has been noticed and highly recommended I arrange a cambelt change... it never ends haha
     
  10. Jan 12, 2021 #9
    bobsan

    bobsan

    so just for ref what was cause of the multiple warnings ??
     
  11. Jan 12, 2021 #10
    Enock Mhlope

    Enock Mhlope

    Injection loom damaged due to rubbing on dip stick, some of the wires had been pinched causing misfire readings to cylinders 2 & 3 due to short circuit.
     
  12. Jan 12, 2021 #11
    bobsan

    bobsan

    That is good to know as milage creeps up on these odd faults can develop and you sure found one, also v happy was relatively cheap fix
     

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