Question about 2002 Volkswagen Jetta TDI

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Glow plug light flashes after can has been running

2003 Jetta  TDI wagon. starts fine and runs fine but glow plug light flashes whilr running

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  • thammer503 May 27, 2009

    The problem was a break light relay, not a glow plug problem. 

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  • Master
  • 776 Answers

Obviously there's a problem with the system... your best SOLUTION is take it in for proper DIAGNOSIS.. ya think?

Posted on May 26, 2009

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1 Answer

I have a 2000 jetta TDI 1.9L. The glow plug light is flashing off and on and the car is running terribly. Code is reading P0380/glow plug monitor circuit. what do I need to do to fix the problem?


the code is for the Glo-plugs circuit A --malfunction=== causes wiring--glow plug relay--fuse-- glow plugs---ECM. Check the relay and the fuse

Oct 31, 2013 | 2000 Volkswagen Jetta TDI

1 Answer

Just on cold start up the engine runs lumpy for about one minute, then the rest of the time it runs fine.


Make sure the block heater is working. But with high altitude and cold air this is somewhat normal for a diesel on cold start. If the glow plug indicator light flashes off and on quickly in the dash you may also have a burned out glow plug(s), this also causes a poor cold start.

Oct 18, 2012 | 2002 Volkswagen Jetta TDI

1 Answer

My 2003 vw jetta tdi was running rough like a glow plug went out. I tested the glow plugs with a digital multimeter, one of the tested bad and replaced it and the problem is worse now. Could it be the glow...


If the engine is running, it is not the glow plugs as they are only used for cold starting and initial running and are switched off as soon as you move the vehicle or after 90 seconds, whichever comes first. You may have an injector issue or a turbo issue where the intake blades are clogged, the exhaust blades are clogged etc.
Take the vehicle to a professional and have them flow test the engine and check injector timing and fuel flow.
This will show up any air leaks etc in the injectors or any blockages in the intake and exhaust systems and any fuel issues.

Jan 14, 2011 | 2003 Volkswagen Jetta TDI

2 Answers

2003 tdi, 54 k miles, bought car new, had manifold cleaned, new glow plugs and harness. car has been driven only short commutes for 3 years. Heavy blue smoke at startup, then it clears right up. No...


valve seals are going. when car sits excess oil gets past the valve seals then when you staRT up it burns the oil off then runs fine and no more blue smoke. It is fine to run like that had the same in a dodge caravan 1996 6cyl. ran another 100 000 km. and still ran fine got rid of it for other reasons.

Nov 20, 2009 | 2003 Volkswagen Jetta TDI

1 Answer

My 2002 Jetta TDI seems to be having a tough time


yes glow plugs have a lot to do with engine having tough
time in cold weather. before replacing glow plugs
check relay and fuses.

Nov 14, 2009 | 2002 Volkswagen Jetta TDI

1 Answer

GLOW PLUG LIGHT FLASHING WHEN RUNNING


this is going to sound stupid, but check your tail lights and brake lights for a dead bulp (lamp). this could be the cause, and will be VERY cheap to fix!

Jun 16, 2009 | 2002 Volkswagen Jetta TDI

1 Answer

I have a 2003 TDI jetta and glow plug light keeps flashing when driving,checked for lose wires none found, Help!


Sounds like it is telling you that you need to get a glow plug replaced that is not functioning properly. Have a reputable shop let you know which one it is.

Jun 09, 2009 | 2003 Volkswagen Jetta TDI

1 Answer

Glow plugs stay and wont shut off


Your problem sounds like the glow plug relay is faulty. It sees to be stuck in the closed position. It is mounted on the fuse board.
John

Feb 21, 2009 | 2003 Volkswagen Jetta TDI

2 Answers

'03 jetta tdi glow plug / DRL relay?


how many glow plugs are there and where are their locations

Dec 09, 2008 | 2003 Volkswagen Jetta TDI

1 Answer

I have a 2002 Jetta TDI wagon


You have to remove the 3 screws and take the shroud off underneath the steering column and the panel should be right there.

Jul 23, 2008 | 2003 Volkswagen Jetta TDI

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