Notes: An Eng oil pressure switch may be Reqd, see Delphi part# FA0004; A fuel pump block-off plate may be Reqd see Delphi part# FA0007 or FA0008; Fuel tank contamination is the leading cause of premature fuel pump failure. To reduce risk of contaminating the replacement pump, Delphi recommends cleaning the fuel tank before installing a new pump. Use of fuel tank cleaning kit FC01 is recommended.