Part # 901-04-0003-3
With the Low Fuel Pressure Warning Light, an indicator will light if fuel pressure drops to 5 psi, giving the driver warning of a potential problem.
This is quite important on Dodge Cummins 5.9L engines equipped with the VP44 injection pump, as damage can result if the pump becomes starved for fuel.
Low PSI can result from:
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California Residents: Prop 65 Warning
WARNING: Cancer and Reproductive Harm