Fuel Pressure Issues

[tdavis1198]

When I turn on the fuel pump the fuel pressure goes crazy oscillating between random values and periodically showing red X. The system was installed 2011 so unsure if which sender is installed

 

[swatson999]

Wiring issue. Check the ground, specifically, but all connections should be checked.

 

[jakej]

When I turn on the fuel pump the fuel pressure goes crazy oscillating between random values and periodically showing red X. The system was installed 2011 so unsure if which sender is installed

If it’s the VDO type (dull grey body approx 2” diameter) then I’d replace the fuel pressure sensor, they will fail sooner or later - that’s why I always have a spare in stock for customers.