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Home >> Toyota >> 1997 >> 4Runner Base, 4WD, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls - Basic Testing - 3.4L) >> Fuel System >> Notes

Fuel System: Notes

WARNING: This page is about a different variant/trim than selected.

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

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