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Home >> Toyota >> 1992 >> 4Runner 2D Utility, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - V6 >> Fuel System >> Notes

Fuel System: Notes

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

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