Renault Clio 2 - Loose Wiring Loom Cover Cutting Into ECU Loom*FIXED* - Page 16 - Renault Forums :: Independent Renault forum

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post #76 of 80 (permalink) Old 24th July 2012
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Re: Renault Clio 2 - Loose Wiring Loom Cover Cutting Into ECU Loom*FIXED*

hi guys, i have a 55 plate clio 1.2 active. runs fine but keeps going in and out of limp mode like all previous posts, had new coilpack . plugs etc, new throttle body , new pedal ,,, no faults showing on snap-on modus scanner??? help me please,
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post #77 of 80 (permalink) Old 9th June 2014
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Re: Renault Clio 2 - Loose Wiring Loom Cover Cutting Into ECU Loom*FIXED*

Hi,My name is Phil and this is my first post but after reading all the threads,felt i ought to share my experience with the all too common it seems,Renault Clio cutting out when it feels like it.First of all it is a 2005 1.2 16v dynamique.I bought the car for my girlfriend in october 13,it was ok for a couple of weeks before developing a misfire and engine management light coming on.I changed the plugs and ignition pack which sorted the problem for about 3 weeks when it started happening again but this time cutting out randomly and narrowly escaping collisions.I then took it to a local garage and was put on diagnostics but nothing found.He cleaned the throttle body and cleaned the crank sensor but the problem returned a week later.I took it back and he gave me the number of an auto electrician.he tookit for the day and found two things wrong.1,some of the wiring that comes from the ECU which is very thin and has a plastic casing to protect it,gathers water over time and corrodes the wiring causing a short circuit.2.he found a fault with the crank sensor and replaced it.total cost 110.It has been over a week now and so far so good.He also told me that this is a very common problem not just with clios but all Renaults and they keep him in business.one last point after reading all the posts is that my brother who is a trained mechanic,warned me about Renaults,wish i had listened,i wont be buying one again,hope this helps anyone out there having the same problem.
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post #78 of 80 (permalink) Old 12th June 2014
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Re: Renault Clio 2 - Loose Wiring Loom Cover Cutting Into ECU Loom*FIXED*

hi all just wanted to share my 10 second fix on a clio 53 plate .i found it advertised as spares or repairs and was told i would need a tow home as it wouldnt rev over 1000 rpm.there were lots of lights on the dash and they had spent over 600 trying to fix the fault. their garage had replaced the full exhaust, accelerator peddle,fitted a second hand throttle body and crank sensor etc and still could not cure the problem.the metal cover was missing from the ecu at the rear of the engine........so i paid him 200 for the car and i dont know why but some little voice in my head said try unplugging the left hand plug of the ecu (drivers side) pull off the rubber casing back about 4 inches and rotate the plug 360 degrees and plug it back in ....... well vroom vroom i drove it home 60/70 mph no problems at all just had to clear an airbag light with my 10 meter.
so i dont know if it was broken wires or bad connections on the plug or pins but 3 weeks on and its still fine. i have since tried it on another clio that i was going to buy an ecu kit for and again it cured the faults. so to recap unplug..twist one full turn...plug back in and its nice and tight..hope this works for others having electrical nightmares.
ps on the second car it didnt work so i unplugged it and rotated it back a full turn and then a second turn and plugged back in and it worked so the direction of the twist must have an effect.
good luck and thanks for a great forum
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post #79 of 80 (permalink) Old 13th December 2015
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Re: Renault Clio 2 - Loose Wiring Loom Cover Cutting Into ECU Loom*FIXED*

Can this black box only be found on the 16V engines? I have looked on the rear side of my (lhd) 1.2 8v 1999 Clio II but I can not find it.

I'm having starting problems and would like to rule out any wiring loom problems.

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Rody
The Netherlands
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post #80 of 80 (permalink) Old 18th September 2016
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Re: Renault Clio 2 - Loose Wiring Loom Cover Cutting Into ECU Loom*FIXED*

Some time ago I had the limp home problem. Anyway found this thread - took the cover off (which was not secured) and found the wires exposes and with the cover off no more probs

Last few days though I've had a rattle from under the bonnet - turns out its the bottom part of the wiring loom cover and wondered whether there was a quick fix. Seen the post about a bit of piping insulation but worried about flammability if it gets hot and wondered whether anyone had any views?

Thanks
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clio , cover , cutting , ecu , loom , loomfixed , loose , renault , wiring

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