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High Pressure Fuel Pump??

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Old Jan 6, 2021 | 12:57 PM
  #1  
mattsmacs's Avatar
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Default High Pressure Fuel Pump??

I'm putting this here because I was told my 2005 Audi A4 Quattro S-Line 2.0t FSI is most likely a B7


Does anyone know what the voltage should be at the two terminal connector at the top of the High Pressure Fuel Pump? I'm getting 9.3v


The car turns over, fires for about a second and a half and then continues cranking with no result. It runs for a few seconds if I spray starting fluid into the intake. I'm suspecting the HPFP as it seems like a little bit of gas gets to the injectors, enough for a combustion cycle, but that's it.


I've replaced the green fuel pump relay (644 printed on the back) under the ECM, checked the fuse (28) and verified that the in tank pump is working. I've also replaced the fuel filter.


I've pulled the HPFP and the cam follower is worn but not catastrophically. Obviously I'll replace it.


Thoughts?
 
Old Mar 8, 2021 | 08:40 AM
  #2  
hamela's Avatar
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Joined: Mar 2020
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Can you tell me where the fuel pressure regulator is on a 2012 Buick Regal 2.0 Turbo is located?
192.168.100.1 192.168.1.1
 

Last edited by hamela; Mar 9, 2021 at 02:28 AM.
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