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Home >> Mazda >> 1992 >> Navajo DX, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Visual Check & Vehicle Preparation

Visual Check & Vehicle Preparation

Complete all steps in BASIC TESTING article before proceeding to next test step. Ensure vacuum hoses are connected correctly and EEC-IV wiring harnesses are connected.