If engine stalls intermittently, Perform trouble shooting by approaching classified system. If symptom of the Engine stalling is similar to symptom of poor acceleration, the reason of engine stalling could be fuel system. For that reason fuel system should be checked first. The purpose of inspection is to check fuel pump by measuring fuel pressure and checking power circuit.

4.

Measure voltage of the fuel pump power circuit.

※ If voltage is measured after providing power directly, power circuit of the fuel pump is normal.

5.

Are pin connections of fuel pump relay and harness normal?

YES

Go to "fuel pressure Inspection" procedure.

NO

Repair(Replace) pin connections of the fuel pump relay and harness.