Possible cause | Remedy/test |
Fuel feed lines kinked or blocked | Check/replace parts |
Intake pipe open at fuel gauge sensor, fuel tank bottom open | Check intake pipe through fuel tank filler spout at fuel tank, removing fuel gauge sensor if necessary |
Filter at intake pipe/fuel gauge blocked | Remove fuel gauge sensor and check filter |
Check valve at end of fuel feed line blocked or not open/not open enough (opening land bent at neck) | Repair or replace part |
Fuel tank bleed valve defective | Replace bleed valve |
Leak from filter insert to check valve (defective bottom seal at filter insert) | Replace filter insert or bottom seal |
Loose fuel filter drift in fuel filter housing | Seal off fuel filter drift and tighten |
Porous spot or crack in fuel filter housing | Replace fuel filter housing |
Permanent relief hole in fuel filter drift with wrong nominal width (is too large) | Replace part |
Permanent relief hole in banjo union (below overflow valve) with wrong nominal width (is too large) | Replace banjo union |