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Basic Fuel System Checks: Notes

WARNING: This page is about a different car, the 1998 Pontiac Grand Prix, 1998 Chevrolet Monte Carlo, 1998 Chevrolet Lumina, and 1998 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Begin fuel system trouble shooting and diagnosis with 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 SYSTEM ELECTRICAL CIRCUIT under NO START DIAGNOSIS  .
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