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Home >> Land Rover >> 1994 >> Defender 90 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures - 3.5L, 3.9L & 4.2L >> Fuel Systems >> Notes

Fuel Systems: Notes

WARNING: ALWAYS release fuel pressure before disconnecting any fuel injection-related component. DO NOT allow fuel to contact engine or electrical components.

Basic diagnosis of fuel system should begin by checking fuel pump operation and fuel pressure.