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VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

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Old May 7th, 2020, 18:14   #1
Join Date: Dec 2015
Location: Riverside, CA
Default Injection timing and post intercooler intake temp sensor

Does anyone know if this sensor is used in determining fuel injection timing? Reason I ask is that I am considering drilling and tapping the intercooler right near it to plumb in water/meth injection, but I want to make sure it wouldn’t have an unsafe impact on timing. Ideally, there would be a knock sensor to keep timing in check. Anyone know if there is one of those?

Thanks for any help!
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Old May 11th, 2020, 09:27   #2
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Join Date: Aug 2009
Location: NH

What are you trying to gain by adding water meth?

i think EGT sensors are the biggest thing that limits power, so if W/M reduces EGTs you should be good to go.
Hers: 2015 Passat SEL (NOS) w/ VW fix and Malone Stage 2 (low torque for DMF shudder).
His: 2017 Alltrack SE, waiting for TSI to TDI conversion kits to be released.
Bought back 2010 Sedan, cog swapper, build date 07/09, BB 6/7/16. 2012 Passat, Roof+Nav, build date 05/12, BB 7/11
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