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post #1 of 6 (permalink) Old 11-01-2013, 14:14 Thread Starter
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Renault Master Warning Lights

Went to the van this morning after 3 months of non-use. I know I should have started it/moved it in that time, but it's on a site some 12 miles away.

Started it after jump starting ok, but it has dashboard warnings to the effect of:

Preheating indicator light & electronic incident & water present in fuel light.
The lights won't go out.

Is this serious?
As any other fellow motorhomers experienced this?

As always, any comments gratefully received.
Brian

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post #2 of 6 (permalink) Old 11-01-2013, 14:34
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Water in fuel needs to be sorted PDQ, it won't do your injection system any good at all.

You may find that if the battery volts are low, some devices may not function properly as the ECU hasn't got sufficient voltage to do what it needs to do.

Peter
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post #3 of 6 (permalink) Old 11-01-2013, 14:41 Thread Starter
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Thanks for your comments Peter.
The battery is without question dead, it needs replacing.
Do you think then that this may be the cause of the warning lights?

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post #4 of 6 (permalink) Old 11-01-2013, 14:41
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Common problem on the Renault Master - our van is based on it. The first thing to try is to open the drain on the fuel filter and drain off a good cupful of diesel. That may sort the water in fuel indication.

The other possibility is that, if your base vehicle is new enough to have an EGR valve, that may be sticking due to gunge build up. Our van has been in for service (just) with our local excellent Renault Trucks service dealer. They looked at it on their computer and said to ignore it, but do an "Italian tune up". That is, drive it for a good few miles (50+) at higher than normal revs. If it is EGR gunge, then that should clear it. It did, after a longish run.

Luckily, our service dealer is VERY good at fault diagnosis, and I have come to trust him when he says "no real problem to worry about". He could makes pots of money out of me, going through all sorts of diagnoses, but instead is quite honest.

Colin

PS - the dealer is Thompsons Commercials of Billingham - they have branches around the North-East. My only link with them is as a very satisfied customer.

No longer motorhoming due to illness, but always prepared to help by sharing any experience I may have.
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post #5 of 6 (permalink) Old 11-01-2013, 14:44
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Quote:
Originally Posted by blade1889
Thanks for your comments Peter.
The battery is without question dead, it needs replacing.
Do you think then that this may be the cause of the warning lights?
It is pretty likely, and as you have to change the battery anyway, it's the first thing to do.

Modern trucks are so complex now, it really is getting to the stage where home maintenance is very limited on what can be done.

I thought our Discovery was bad with 6 or 7 ECU's, but the late Renault Trafics take that to the extreme.

Peter
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post #6 of 6 (permalink) Old 06-03-2013, 14:26
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Engine electronics/preheating/fuel filter indicator light

We have a Renault Master Movano van and the engine electronics/preheating/fuel filter indicator light keeps coming on - can anyone help.
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