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Home >> Ford >> 2003 >> Crown Victoria Base, 4.6 9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Tests - CNG >> Fuel Systems >> Notes
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Fuel Systems: Notes

WARNING: Before performing any tests or diagnostics on CNG or LPG components or systems, read all cautions and warnings in CNG/LPG SAFETY PRECAUTIONS article in GENERAL INFORMATION.
WARNING: Always release (vent) fuel pressure before disconnecting any fuel injection-related component downstream of fuel tank shutoff solenoids. DO NOT vent fuel system indoors.
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