Question about 2004 Volkswagen Passat

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Emissions Workshop on display

Hi, When I turn on the ignition the display shows Emissions workshop. I had the car serviced recently and had this problem before servicing. I mentioned this at the time of the service but the diagnostics never highlighted a problem. This is an intermittent fault. I may use the car for three days or so without the warning appearing and then it may start again. I spoke to the garage about this and they feel this may be caused by a faulty unit but were not sure. Do you agree with this prognosis ?

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  • neilmac2010 Jun 30, 2008

    I have had the same problem. The Emission workshop notification light came on for three days, was off for one than back on. What is the immediacy of getting this fixed?

  • trish4ie Jul 15, 2008

    Emissions light staying on in the dash when I turn the key, and when I start the car after a few second's  Emissions Workshop ! details come on for about 30 seconds, and occassionaly while driving the Emmissions Workshop! notice comes up on screen, and a warning beep will sound. The orange Emmissions symbol stays on all the time.

  • jarnold69 Jul 16, 2008

    I had the same problem. I googled the warning and read several of the blogs. One of the last ones said to check your gas tank cover. VW have several clicks before they are sealed. On the way to drop the car off to the shop, I decided to try it. I opened the gas tank and reclosed it waiting to hear all the clicks..... Started the car .... no light... drove 5 blocks and decided not to go to the shop. We are watching it but.... You'd be surprised.

  • malik13 May 15, 2009

    i have the same problem with my VW Touran 2006 petrol. The exhaust gas warning lamp is lit constantly since this afternoon. I get emission garage! error on the display panel when i start it. Please help!

  • malik13 May 15, 2009

    i have the same problem. I see the emission garage signal on the display and the emission gas warning lamp is yellow and constant lit. please help!



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I had this problem myself and was told it could be one of 3 things

1. ignition coils are on their last legs and would need replacing (there are 4 of them in a VW golf)

2. The throttle housing is knackered and needs replacing as it has caused the motor that powers the accelerator to stop working and

3. The catalytic converter has an excess of carbon stored within it and has caused a defect.

All 3 of these jobs are notoriously expensive. Much to the delight of whoever it is you have gone to see....

Posted on Aug 19, 2009

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Sure it may be due to a faulty emission sensor or to another problem of this kind with the emission diagnostic (a short, faulty instrument panel pcb etc.). the way to know this is assessing the emission when the warning light is on. Ask to your mechanic to perform a new test when light is flashing, and eventually test instrument panel and emission sensor, in case emission is ok.

Posted on May 19, 2008

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I have the same problem with my 2000 vw gti. at times while i am driving, this 'emission workshop' light goes on for a second. is this a big problem or am i free to drive it around for a while?

Posted on Sep 04, 2011


Posted on Jul 21, 2008

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Posted on Jan 02, 2017

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VW Passat 2001: Exhaust emission warning lamp flashing. Manual says 'blinks if the catalyst can be damaged by misfires'. Any suggestions?

"Check engine light" EMISSIONS WORKSHOP! Do you want to shut it off??? After reading all of the negative comments and how much money Passat owners have spent due to this manufacturer's problem, I am going to save the day and save you $$$ by showing you how to "reset" the diagnostic computer which makes the "emissions workshop-check engine light come on! (This is the same thing the VW dealer will charge you hundreds of dollars to do.) To turn off the "Check Engine" (Emissions Workshop) light, simply follow these 5 basic steps:
1. Pop open the hood.
2. Insert the key in the ignition and turn without starting the engine until all of the dash indicators light and warning tones sound.
3. With the key still in the ignition, use a 10mm wrench or socket to loosen and completely disconnect the negative (-) battery cable from the battery. Wait about 60 seconds before reconnecting.
4. Re-connect and tighten the negative (-) cable to the battery and close the hood.
If the light stays on, then there really is a problem. If it has turned off, be glad, but don't be surprised to see it come on again in a few weeks. If it comes on again, simply follow steps 1-5. Remember... This quick repair is for those who just can't stand looking at this light or afford to visit VW every time this light comes on. If you feel the need to service the vehicle, service the vehicle. I hope this has made your "NIGHTMARE" a little easier!!!

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