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Old July 24th, 2011, 18:02   #1
new009
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Join Date: Jul 2010
Location: Livonia
TDI(s): 2005 Passat
Default P2102 and P2106 Faults -- Throttle Performance

Hello,
Can someone help me with the P2012 and P2106 Faults on my 2005 Passat TDI?

I believe it is the EGR module, but I don't want to spend $300 until I know for sure.

The EGR valve does actuate when I put voltage (9v battery) across the solenoid.

However, when doing this EGR valve test, I am not able to see any changes in resistance across the Pins 1, 2 and 3 -- which I believe are for a sensor to report the position of the EGR valve.

So, I believe the EGR sensor is bad, but I don't know the operation of this sensor, nor do I have another 'known good' sensor to compare the operation to.

Can someone let me know how the sensor works, or what their sensor reads when the valve is in the open and closed states?

Thank You,
Neil
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Old July 25th, 2011, 21:00   #2
new009
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Join Date: Jul 2010
Location: Livonia
TDI(s): 2005 Passat
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Old December 12th, 2011, 15:42   #3
silver911rdb
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Location: Northeast
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Does anyone have an answer for this? I have the same P2102 and also P2100
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