Fuel Systems: Notes
WARNING: This page is about a different car, the 2003 Saturn Ion 3, 2003 Saturn Ion 2, and 2003 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
ALWAYS release fuel pressure before disconnecting any fuel injection-related component. See FUEL SYSTEM PRESSURE RELEASE
. DO NOT allow fuel to contact engine or electrical components.
CAUTION:
Begin fuel system trouble shooting and diagnosis by checking fuel injection system pressure. High fuel pressure may be present in fuel lines and component parts. Relieve fuel pressure before disconnecting any fuel system components.
NOTE:
For fuel pump circuit testing, see FUEL PUMP ELECTRICAL CIRCUIT DIAGNOSIS
.