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Home >> Geo >> 1990 >> Prizm Base, 4D Sedan, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Testing >> Fuel System >> Fuel Pressure
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Fuel Pressure

NOTE: Fuel system diagnosis should always begin with checking fuel pressure. 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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