Troubleshooting Common Issues
Post-Installation No-Start:
Confirm 12V at pump terminals using multimeter under load (not just continuity).
Check for pinched O-rings or misaligned quick-connectors.
Whining Noise or Surging:
Inspect fuel filter for clogs or incorrect priming.
Validate fuel pressure regulator function (spec: 2.8–3.2 bar).
Erratic Fuel Gauge Readings:
Recalibrate sender unit by fully draining/refilling tank.
Confirm 12V at pump terminals using multimeter under load (not just continuity).
Check for pinched O-rings or misaligned quick-connectors.
Whining Noise or Surging:
Inspect fuel filter for clogs or incorrect priming.
Validate fuel pressure regulator function (spec: 2.8–3.2 bar).
Erratic Fuel Gauge Readings:
Recalibrate sender unit by fully draining/refilling tank.