Question about 2001 Volkswagen Jetta TDI

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Glow plug indication light flashes while driving never goes away

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Remarkably, this problem is often associated with a faulty brake light switch down at the pedal!
It happens on my '97 Sharan from time to time and a tap on the brake pedal with my left foot stopped the glow plug light flashing.

You may need to replace the switch; but I would suggest checking the connecting wires down there first - and get someone to tell you if your brake lights come on when you press the pedal.

Hope this helps you a bit. If it does, a "Fixya" rating would be much appreciated. If it doesn't
help you, I'd be grateful if you didn't bother with a rating at present - they can't be increased later if I do manage to solve your problem! Just come back and tell me what you found. Cheers, D

Posted on Dec 14, 2008

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Check these 3 things 1. it could be a defective glow plug 2. it could be a defective glow plug harness 3. it could be a defective coolant pre-heat heater glow plugs there are 3 of these located at the coolant inlet top of engine. You'll need a good dvm to check these out, also good to have vag-com scan tool software plugged into the service port for on board scan of the ecm.

Posted on Jan 09, 2009

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Hi this can be the engine management light too, the car is telling you there is a problem somewhere, have the car put on a diagnostics reader, Hope this helps

Posted on Dec 11, 2008

3 Suggested Answers

joelcat
  • 1 Answer

SOURCE: glow plug light

hello paul,check your brake pedal sensor very common fault ,if brake sensor gone glow plug light flashes,had same problem on my caddy

Posted on Jul 26, 2009

alicantecoli
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SOURCE: Ford Focus TDCI cuts out when driving -glow plug indicator flashe

factory immobiliser playing up ,get a new ECU unit with the chip out of the key and the key reader

Posted on Sep 20, 2009

6ya6ya
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Posted on Jan 02, 2017

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