Laguna 2 "No Fault Logged" - Renault Forums :: Independent Renault forum

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post #1 of 28 (permalink) Old 26th September 2005 Thread Starter
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Laguna 2 "No Fault Logged"

My wife's Laguna 2, almost 4 years old, started on 2 cylinders when hot and did not respond to the accelerator. The "Electronic Failt" warning light came on. I retried it at least 5 times with the same result.
About an hour later, it started and ran normally.
I took it to our nearest dealer, Roxby Motors in Warsash, Hants. They told me that as no fault had been logged, they could do nothing about it. They refused to consider contacting Renault to discover if this was a known fault. I find it hard to believe that Renault do not keep a database of these occurrences, so that they can be investigated and possibly included in future software updates, or is this wishful thinking?
Anyway, we have a car with 2 faults - one that causes the undriveability and one where the fault is not logged. Who knows where and when it will fail again, and allowing it to cool may not get it running. This is not the first pioneering fault we have discovered with this car!
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Laguna 2 "No Fault Logged" Electronics 27 5041 26th September 2005 01:11 PM
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post #2 of 28 (permalink) Old 30th September 2005
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Hi and thanks for posting -

What year engine type and model does you wife own ?

So many times I read about dealers saying ( it's not on the computer )..

That sort of attitude MUST stop.

Hope Mr RUK is reading..
post #3 of 28 (permalink) Old 30th September 2005
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Unfortunately, fault logging is not perfect. I had to battle with my local MG dealer when I had a misfire. Of course, because "There is no fault logged on the computer" and the car ran perfectly every time they tested, as far as they were concerned there was no fault

As always - try another dealer. I got fed up with mine, took it to another dealer. "There is no fault logged but would you like us to try replacing the spark plugs and HT leads?" Yes - of course I did, and the problem was sorted within the hour
post #4 of 28 (permalink) Old 30th September 2005
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Sorry - when I say fault logging is not perfect, I mean that it does not cover every aspect of the engine. You would have thought that things like misfires etc. would be picked up, but of course a) the engine management light comes on and b) it's a pretty obvious fault to any competent mechanic...
post #5 of 28 (permalink) Old 30th September 2005
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Mine's back in at the dealer today. It came up with "fuel injection fault" and "anti-pollution control fault" yesterday. The former went away after turning off and restarting the engine (essential, seeing as it won't rev over 2500rpm while there's an injection fault showing) but the ECU warning light stayed on and the voice synth reported the anti-pollution fault every time.

So I booked it into the dealer for today, and (surprise surprise) it started up normally this morning. The hire car would already have been dropped off at the dealer, so it would have been silly to cancel. I'm just hoping that there's something logged in the fault codes - by my reckoning, if the yellow light has been lit, then something should be stored. If there isn't, then I suppose it's just fingers crossed that it behaves itself for the next month (at which ponit, the car is somebody else's problem.)

Dealers reactions to intermittent ECU faults seem to be variable to say the least. In my experience, the good ones will do their level best to find the fault anyway, and will tweak this, that and the other in spite of their being no evidence of a fault. The worst will (in so many words) call you a liar. The middle ground goes along the lines of "we can't find anything, so we haven't done anything." It's a good test of whether or not you're dealing with a decent dealer.

The really galling bit is that I'm running round for today in a Peugeot 407 2.0 HDi - the car I really wanted next (though in Exec trim) and couldn't have because the lease costs were ridiculous. It's like losing on Bullseye and having Jim Bowen say "Here's what you could have won." Yes, the new Laguna Initiale's a better spec, is cheaper to lease, and doesn't have the sound effects for Atari Pong hooked up to the indicators, but I feel like an absolute mug for handing over more money to Renault.

I know having a downer on Renault is kind of frowned upon on this forum. Sorry, but I'm having a bad car day.
Currently in Horatio's garage:
2010 Laguna III Initiale.
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laguna , no fault logged

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