Check the fuel pump fuse
Check the fuel pump relay
Listen for pump priming when the key is turned to ON
Verify battery voltage at the fuel pump connector
Test fuel pump ground continuity
Measure fuel pressure with a fuel pressure gauge
Compare fuel pressure to manufacturer specifications
Check fuel volume/flow if pressure is low
Test fuel pump current draw with a multimeter or clamp meter
Inspect fuel pump wiring for damage or corrosion
Inspect the fuel filter for blockage
Check for clogged fuel lines
Perform a fuel pump relay swap test if applicable
Use a scan tool to check for fuel system codes
Perform an active fuel pump command test with a scan tool if available
Check for proper operation of the fuel pump inertia switch if equipped
Confirm fuel pump operation under load and during cranking
Replace the fuel pump if voltage, ground, and control signals are correct but pressure is out of spec