Renault Scenic 1.6 16V high temp gauge - Renault Forums :: Independent Renault forum

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post #1 of 3 (permalink) Old 30th September 2009 Thread Starter
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Renault Scenic 1.6 16V high temp gauge

Hi.I am new to this so bear with me please.I have a 2000 Renault Scenic 1.6 16V that has a high reading on its temp gauge.When the car is started the gauge goes to the 1/4 to setting and after a mile it is almost at the 11 o'clock position.The cars performance isn't affected in any way apart from the fan that always seems to stay on, regardless of the length of journey,when the car has stopped.It doesn't seem to lose any water either.I'm not loaded with money so i'm reluctant to take it to the garage until i have a better idea of what the possible faults are.Do they charge for diagnosing a problem.Any help would be appreciated.Regards,Jim.
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Renault Scenic 1.6 16V high temp gauge Engines Quentindp 2 2667 30th September 2009 07:07 AM
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post #2 of 3 (permalink) Old 15th October 2009
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Have got a similar problem with my 1.6 16v coupe, guage moves around as I drive but engine seems cool. It's been suggested that it could be a fault with the wiring loom as have had temp sensors replaced already (by usual garage who is now stumped by it). Currently trying to decide whether or not to spend the 200 to have it done as money is tight, garage (that specialises in electrics) I took it to didn't charge to diagnose which surprised me as local Renault dealership quoted 1 hours labour to look at it (60)
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post #3 of 3 (permalink) Old 22nd May 2016
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Re: Renault Scenic 1.6 16V high temp gauge

Hi. I too, have a Renault Megane 1.6 16V 2001 model. Recently, I had a towbar fitted (which includes wiring for the trailer plug), and my car has done exactly the same... STOP light and Engine light (both are red) comes on intermittently during driving. Slowing down seems to reduce the frequency of the red lights coming on. The temperature guage starts off at the 30% line (early on a cold morning) and after 10 mins of driving, increases to approx. 70% mark. This is much higher than prior to having the towbar fitted (at normal temperatures, the reading sits at 40% max). The electric engine fan, basically runs continiously and when I park the car (switched off), it continues to run for at least 15 mins. This was never the case prior to fitting the towbar. Due to this, it drained my battery (which the scenics don't like much) and had to replace it accordingly. It is obvious from other posts that the wiring (in my case - towbar wiring) has an effect on the reading of the temperature guage. The engine is running at normal temperatures, BUT the readings and sensors are sending the wrong info (warmer readings) to the engine management system, which lights up the red lights on the dash. It also causes the fan to work much harder after stopping the car. It is obvious to me the wiring has directly affected the ECU and sending wrong readings. Now - to have it sorted out... Any suggestions will be much appreciated!!! Thank you!
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