Australian Car Repair Issues? Ask an Auto Mechanic for Answers ASAP
the next step should be to measure the fuel pressure at the injecotrs and if this is low check the pump as described below and also consider changing the fuel filter as if this partially blocked this too will reduce pressure.
If the connections to the pump are corroded or damaged then the pump could stop at any time or could not be running at full speed. Check that its relay switches in and outand the relay contacts are clean and bright – replace the relay if in any doubt and do the same for the fuse,