L7X Pot position Laguna

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L7X Pot position Laguna

Postby clee » Fri Mar 15, 2013 8:52 am

Got a fault on pot 4 according to diagnostics .Struggling to find info on web but assume this is back right as you look at it ? Anyone know for certain before I strip the inlet mani off ?
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Postby eastlmark » Fri Mar 15, 2013 6:01 pm

odds on its a coil.
never thought I would want a list but now find myself needing one just to remind me: Clio V6 230, 5 gt turbo, 5 Gordini turbo, Megane RS 300 Trophy.
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Postby clee » Fri Mar 15, 2013 6:10 pm

Yeh probably so got one ready to go ,was only 20 quid .Any idea on pot position ? Been pissing down here all day so not bothered to go out and do it yet .Pulled the front 3 and they all seem to have an effect when unplugged so got to be rear bank .My money is on nearest fly end :wink:
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Postby eastlmark » Fri Mar 15, 2013 6:17 pm

Image

obviously, your motor is in the wrong place so you need to go a r s e about a face a bit.

thanks to v6clio.net
never thought I would want a list but now find myself needing one just to remind me: Clio V6 230, 5 gt turbo, 5 Gordini turbo, Megane RS 300 Trophy.
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Postby clee » Fri Mar 15, 2013 6:20 pm

Thanks Mark :D
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Postby andy001 » Fri Mar 15, 2013 6:26 pm

change your plugs while the manifolds of it'll run a lot better, mine did.
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Postby clee » Fri Mar 15, 2013 6:29 pm

Hmmm .It's got Bosch 4 prong jobbies in atm but the NGKs are std looking and a tad longer ....Getting conflicting data from suppliers .....
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Postby Dave Williams » Fri Mar 15, 2013 7:17 pm

I have the same on my avantime....just gone lumpy lumpy misfiretastic today..not the front coils when I disconnected em one at a time.
plan to put 3 new coils in ...Have 2 Valeo coils, and a Portuguese one to go in the back 3... the original Sagem ones are supposed to be avoided. I have no idea which one has gone so will replace all the back 3.

have plugs ready to go...but these are ngk plfr5a-11 per GSF computer...but no idea if correct. Interested to hear what you use Lee.

The avantime workshop Manual states ngk pfr 6e-10
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Postby stephendell » Fri Mar 15, 2013 7:20 pm

By rule of Renault the failed coil will always be the one that is most inaccessible.
Trafic, Twingo GT, Vel Satis Turbo x 2, Clio V6 Proto Ph2, Vel Satis 3.5, Avantime, Alpine A610, GTA Atmo x 3, GTA Turbo x 3, R5 Gordini Turbo Mid Engine, Alpine A310 4cyl, Alpine A110, Yellow Smart
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Postby clee » Fri Mar 15, 2013 7:33 pm

True ......

I have LFR5A-11 from the MOT guys data system .
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Postby eastlmark » Fri Mar 15, 2013 8:02 pm

the way we L7 pros do it is to check out the 3 accessable coils first using the connector plug off method, if they are all ok then remove the plenum etc and swop the 3 you just tried with the other 3, re-assemble again and carry out the test on the accesable ones again. this of course asumes you are not going to change them all anyway.
Lucky with the Laguna, on the CLio its a all covers off job.
never thought I would want a list but now find myself needing one just to remind me: Clio V6 230, 5 gt turbo, 5 Gordini turbo, Megane RS 300 Trophy.
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Postby stephendell » Fri Mar 15, 2013 9:33 pm

Rears on the V6 Avantime are probably the worst of the lot and they fail all the time.

Weirdly the F4R never seems to have a failure so must be some design flaw with the V6 setup.
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Postby Dave Williams » Sat Mar 16, 2013 7:05 pm

Today replaced the Back 3 coils (it was a defective valeo coil this time) also changed plugs (car is on 74k miles..so due) I too had the Bosch 4 prong ones)...the NGK ones seem fine on a quick test run.
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Postby clee » Mon Mar 18, 2013 2:44 pm

...now running sweet again here .Just coil down
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Postby Paul Taylor » Wed Apr 17, 2013 10:42 am

We have 2 Laguna II V6's, and I have the Renault L7X manual in PDF if anyone needs it.
PM me with your email.

I also used the NGK plugs in both of ours, and replaced coils with those supplied by Euro Car Parts. £22 each I think.
Its worth replacing the inlet manifold upper gasket, as the gasket is plastic and seems to set like concrete as they get old. Resulting in induction air leaks.

Edit:
There is a train of thought over on the RenaultForums that Coil failure in many of the modern 2000> Pertol Renaults is due to heat build up caused by the engine Décor covers.
Heat = Electrical component failure.

So on both of ours, I have left the top plastic cover off. Meaning more air flow when the car is moving over the top of the engine. In Theory...
2016 Mercedes A200d 2.2 AMG, 7sp DCT.
2003 Renault Laguna II 3.0 24v V6 Diamonique Auto.
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