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Home >> Buick >> 1997 >> LeSabre Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Basic Engine Testing - 3.8L >> Basic Fuel System Checks >> Notes

Basic Fuel System Checks: Notes

CAUTION: Fuel system trouble shooting and diagnosis begins 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.
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