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Home >> Honda >> 1997 >> Accord DX, Automatic, AOYA >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - Basic Engine Testing - 2.7L) >> Fuel System >> Fuel Pressure >> Basic Diagnosis

Basic Diagnosis

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Begin basic diagnosis of fuel system by determining fuel system pressure. If fuel pump fails to run, inspect power supply to PGM-FI main relay. If all power supplies are present (i.e., battery, ignition and starter switch during cranking), perform functional test of main relay. See appropriate wiring diagram in WIRING DIAGRAMS - 2.7L and SYSTEM/COMPONENT TESTS - 2.7L article.

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