Please name the sensor circled in red. Thanks.

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high pressure fuel pump sensormajig!




im pretty sure its just the connection to the high pressure fuel pump for the harness, lol.

HPFP without black cover thing. notice the threaded end for that metal line?




see? Its your cam driven high pressure fuel pump, no sensor.

 

Cool, man. You're right, lol. Thanks. I just noticed that one of the two wires was missing a small piece of the plastic around it. It's not down to the wire, though. I lightly put a piece of duct tape around the area to better protect it (in case anything happened). I doubt it will matter, but I'm **** about stuff.

 

That's the fuel pressure regulator. Or is it just a transducer for pressure? It's one of those.

 

It controls the rail pressure by controlling the HPFP regulator. It's not a sensor though. The fuel pressure sensor is located on the passenger end of the fuel rail.

 

I broke those taking it off. I had to put electrical tape around it lol