Glow plug warning light, T3 - Club Touareg Forums
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post #1 of 40 Old 01-14-2013 Thread Starter
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Glow plug warning light, T3

My recent fuel system incident began with a yellow flashing warning light -- a double pig's tail -- that I assume represents the diesel glow plugs.

However, none of the materials delivered with my 2011 Touareg TDI Executive document this warning light -- I have an Owner's Manual and a supplementary brochure showing errors/omissions from the Owner's Manual. The symbol I saw isn't pictured or mentioned in either one.

Can anyone give me the official VW description for this warning light? I assume the documentation oversight has been fixed in later versions?
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post #2 of 40 Old 01-14-2013
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I had this come on testerday, it could be related to a throttle control valve problem but is listed as engine malfunction if blinking and if comes on at start up glow plugs are activating I guess. It the dealer this very instant.
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post #3 of 40 Old 01-14-2013
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That is a diesel glow plug warn light.. Strange however, mine is 6-7 years old and still has all its original glow plugs..

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post #4 of 40 Old 01-14-2013 Thread Starter
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Quote:
Originally Posted by Touareg MNE View Post
That is a diesel glow plug warn light.. Strange however, mine is 6-7 years old and still has all its original glow plugs..
Well, that sort of the question, i.e. what does it mean when that light blinks (not when the car is being started)!

I had an issue but it wasn't failed glow plugs!

Does anyone have this warning light described in their Owner's Manual and, if so, what does the description say?

None of the stuff that came with my May, 2011 T3 has any information about that light.
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post #5 of 40 Old 01-19-2013 Thread Starter
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I guess nobody really knows what this warning light means?!
Asked VW Customer Care over a week ago and they haven't replied yet, either!
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post #6 of 40 Old 01-19-2013
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I had the glow plug light flash on my 2012 TDI while driving with 8000 miles on the car. It cleared after a few minutes and never returned. At 9000 miles I had an Electronic Stability Control failure message appear on the MFD after starting the car. That message cleared after a couple of restarts (no driving, simply restarted while parked) and never reappeared. When the car was in for its 10000 mile service the dealer instrumented the car and drove it for a couple of days. With the help of VW in Germany, it was determined that it was a faulty ground connection to the fuel pump (the dealer initially thought that the fuel pump was going to need to be replaced). A better ground connection was spliced in to repair the problem. I now have 21000 miles on the car and have had no other electrical glitches with the car.

This may or may not be your problem, but it might be worth mentioning to your dealer.

Jim
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post #7 of 40 Old 01-19-2013
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In my case it came on after the check engine lite came on. Both where related to a faulty Throttle Control Valve.
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post #8 of 40 Old 01-20-2013 Thread Starter
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Interesting that, although several folks have replied, no one seems to have the official, Owner's Manual, description of this warning lamp!

It's not shown anywhere -- not the symbol and not the description -- in my 2011 vehicle documents but I thought, surely, it would have been added in later editions? Apparently not!
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post #9 of 40 Old 01-20-2013
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Lights up: Diesel engine pre glow PAge 18

"Engine control malfunction" have engine checked immediately by VW facility Page 472
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post #10 of 40 Old 01-20-2013
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Quote:
Originally Posted by warminwisco View Post
Lights up: Diesel engine pre glow PAge 18

"Engine control malfunction" have engine checked immediately by VW facility Page 472
2012 manual must be different than the 2011. The only mention of preheat in index is page 292: "In vehicles with a diesel engine, the engine start may be delayed if the engine is preheated."
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