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Home >> Ford >> 2002 >> Taurus SES, 3.0 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 204 (Engine Controls - System & Engine Component Tests - 6.0L (99P F450/550) Diesel) >> Hard Start/No-Start Diagnostic Procedures >> Test 3: Intake/Exhaust Restriction >> Purpose

Test 3: Intake/Exhaust Restriction: Purpose

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This is a visual inspection to determine if an air intake or exhaust restriction is contributing to a hard start or no-start condition. If engine does start and an air intake or exhaust restriction exists, a large amount of Black/Blue smoke will be produced.

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