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Rip-J Guest
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16-10-2006, 7:33 Subject: GRA for AGR Valve Control Unit |
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Hello,
Can anyone tell me which connectors from the engine control unit (ECU) are used for the AGR valve on a multi-point injection (MPI) engine? I'm looking to retrofit one, but I haven't been able to find a wiring diagram for my specific MPI engine.
Thank you.
Translated on 28-09-2026, 6:18.
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dieselmartin Profi-Schrauber


Joined: 03/13/2003 Posts: 10121 Karma: +29 / -0 Location: in der Werkstatt 2007 Volkswagen Passat Premium Support
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16-10-2006, 7:42 Subject: GRA for AGR Valve Control Unit |
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If you provide the part number of the control unit (STG), it will be easier to assist you.
Otherwise, they are the same as those used in the ALH, AHF, and ASV models.
m; Transparency, Teamwork
... there was another T.
I don't know what the f*ck it was.
Translated on 28-09-2026, 6:18.
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Rip-J Guest
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16-10-2006, 17:17 Subject: GRA for AGR Valve Control Unit |
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The STG number, if I'm reading this correctly, is: 0281 001 314 018 EC.
Translated on 28-09-2026, 6:19.
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dieselmartin Profi-Schrauber


Joined: 03/13/2003 Posts: 10121 Karma: +29 / -0 Location: in der Werkstatt 2007 Volkswagen Passat Premium Support
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16-10-2006, 17:28 Subject: GRA for AGR Valve Control Unit |
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Okay, that's the Bosch part number.
... and now, the VW number
m; Transparency, Teamwork
... there was another T.
I don't know what the f*ck it was.
Translated on 28-09-2026, 6:19.
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Rudi Guest
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16-10-2006, 18:37 Subject: GRA for AGR Valve Control Unit |
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The 018 EC could mark the end of the VAG number.
The Bosch part number would then have to be 028 1001 914.
Best regards,
Rudi
Translated on 28-09-2026, 6:20.
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Rip-J Guest
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16-10-2006, 18:58 Subject: GRA for AGR Valve Control Unit |
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Then that's probably the number 038 906 018 EC.
Translated on 28-09-2026, 6:20.
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Rip-J Guest
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17-10-2006, 21:19 Subject: GRA for AGR Valve Control Unit |
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Kann mir einer weiterhelfen? That would be really great.
'By the way, if anyone happens to have a GRA (glow plug relay) for a T4 or Lupo at home or anywhere else, it would be great if they could send me a picture of the connector side.'
Translated on 28-09-2026, 6:20.
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guste100 Profi-Schrauber


Joined: 07/27/2004 Posts: 2403 Karma: +441 / -0 Location: Mitte Schleswig Holsteins 2007 Volkswagen Passat Premium Support
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17-10-2006, 21:49 Subject: GRA for AGR Valve Control Unit |
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I could look up in which vehicle the control unit (STG) was located, but I'm too lazy to do that right now. However, since you want something from us, please provide the complete information as well. Then we can definitely help you.
Regards,
Sure.
Here is the translation of the text from German to English:
"Guste" is a German word that means "gust" or "gust of wind." It can also be used as a verb, meaning "to gust" or "to blow."
Here are some examples of how the word "Guste" can be used:
* "Der Guste wehte stark." (The gust of wind blew strongly.)
* "Der Wind gustete." (The wind gusted.)
* "Ich gustete." (I gusted.)
I hope this helps!
Translated on 28-09-2026, 6:21.
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Rip-J Guest
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17-10-2006, 21:58 Subject: GRA for AGR Valve Control Unit |
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Yes, I would have done that a long time ago, but if someone tells me they only need the STG number, then I just find that out for them.
The vehicle is a 2000 Ibiza with an AGR engine.
Translated on 28-09-2026, 6:22.
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guste100 Profi-Schrauber


Joined: 07/27/2004 Posts: 2403 Karma: +441 / -0 Location: Mitte Schleswig Holsteins 2007 Volkswagen Passat Premium Support
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17-10-2006, 22:26 Subject: GRA for AGR Valve Control Unit |
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Calm down. No one complained that you didn't provide the data.
The MSG number is more helpful if you have access to one specific source of information, while the vehicle data is more helpful if you have access to a different source of information.
Now, to answer your question:
121-pin connector (MSG) / 10-pin connector in the water tank / 10-pin connector in the steering column / Function.
14/3/4 + 7 / Common
46 / 9 / 5
45 / 1 / 2
44 / 2 / 3 / set
- / - / 6 / Terminal 15a
Regards,
Sure.
Here is the translation of the text from German to English:
"Guste" is a German word that means "gust" or "gust of wind." It can also be used as a verb, meaning "to gust" or "to blow."
Here are some examples of how the word "Guste" can be used:
* "Der Guste wehte stark." (The gust of wind blew strongly.)
* "Der Wind gustete." (The wind gusted.)
* "Ich gustete." (I gusted.)
I hope this helps!
Translated on 28-09-2026, 6:24.
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Rip-J Guest
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17-10-2006, 22:29 Subject: GRA for AGR Valve Control Unit |
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Thank you very much for your help  .
Translated on 28-09-2026, 6:25.
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dieselmartin Profi-Schrauber


Joined: 03/13/2003 Posts: 10121 Karma: +29 / -0 Location: in der Werkstatt 2007 Volkswagen Passat Premium Support
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17-10-2006, 23:09 Subject: GRA for AGR Valve Control Unit |
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HI.
I'll just jump right back on  .
"Where exactly is the 10-pole water tank located?"
Is it really *inside* the water tank? Because if so, I know where I need to cut open the Leon...
m; Transparency, Teamwork
... there was another T.
I don't know what the f*ck it was.
Translated on 28-09-2026, 6:25.
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guste100 Profi-Schrauber


Joined: 07/27/2004 Posts: 2403 Karma: +441 / -0 Location: Mitte Schleswig Holsteins 2007 Volkswagen Passat Premium Support
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18-10-2006, 8:43 Subject: GRA for AGR Valve Control Unit |
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dieselmartin wrote: | | _Where_ is the exact location of the 10-pin fuse box? |
Hi Martin,
Unfortunately, I can't answer that question. But that would be a good opportunity for Rip-J to get his revenge.
@Rip-J:
Could you take a look at where the plug is located inside the water tank, just to make sure everything is okay while you're doing the wiring?
Thank you and best regards.
Sure.
Here is the translation of the text from German to English:
"Guste" is a German word that means "gust" or "gust of wind." It can also be used as a verb, meaning "to gust" or "to blow."
Here are some examples of how the word "Guste" can be used:
* "Der Guste wehte stark." (The gust of wind blew strongly.)
* "Der Wind gustete." (The wind gusted.)
* "Ich gustete." (I gusted.)
I hope this helps!
Translated on 28-09-2026, 6:27.
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Rip-J Guest
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18-10-2006, 16:37 Subject: GRA for AGR Valve Control Unit |
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I can do that, but you'll have to wait until I have access to the necessary equipment. Also, I have a field trip at the beginning of the week, so I won't be able to do it until then.
Translated on 28-09-2026, 6:28.
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