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post #1 of 6 (permalink) Old 3rd November 2009 Thread Starter
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tdc sensor

Following recent starting problems, and reading these forums, I discovered the common fault with TDC sensors in Meganes.

I therefore removed the sensor, cleaned it and returned it to the car. It worked, and I'm over the moon.

However, I feel I now need to buy a new one as I understand they are not that expensive (around 20).

I went to local dealer but they tell me that the sensor is now a modified part and I also need a new loom.

Does anyone know if it is possible to purchase a 'non' modified sensor, and if not, what is the script with the loom - is this an auto electricians job, or can it easily be replaced?

Many thanks in advance
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post #2 of 6 (permalink) Old 3rd November 2009
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Plenty of answers to the loom if you use the search box.

there is no need to get a new one though, I have cleaned my TDC twice now 3 years apart and had no problems.

There is really nothing to wear out, only gets dirty, also clean the connections.

A problem well stated is a problem half solved !
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post #3 of 6 (permalink) Old 3rd November 2009
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Hey Davesss, I am about to remove the TDC sensor in my 2006 Laguna II, and was wondering what you used to clean it? I was going to use carburettor cleaner s this is farily patent stuff.

Any suggestions?

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post #4 of 6 (permalink) Old 3rd November 2009
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An AA guy who fixed my FILs scenic successfully used WD40

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post #5 of 6 (permalink) Old 3rd November 2009
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It is iron filings stuck to the tip of TDC sensor that is causing the problems. Signal quality is reduced which may lead to poor cold starting due to slower cranking speed. I clean them with my fingers or a cloth if one is close at hand. Suppose an old tooth brush would be perfect.
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