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Test NS-4A: Repairing Low Fuel Pressure

NOTE: Perform TEST NS-2A  or TEST NTC-5A  before proceeding.
WARNING: High fuel pressure may be present in fuel lines. Open fuel system with caution. See FUEL SYSTEM PRESSURE RELEASE  procedure in SELF-DIAGNOSTICS section in this article.

Inspect fuel lines for restrictions from fuel tank to intake. If restrictions are present, repair as necessary. Perform TEST VER-1A: NO START VERIFICATION . If restrictions are not present, replace fuel pump module. Perform TEST VER-1A: NO START VERIFICATION .

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