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Home >> GMC >> 1990 >> Forward Control 7.4 N, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Basic Testing >> Chart A-3, Engine Cranks But Will Not Run >> 2.5L >> Circuit Description
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Circuit Description

This chart assumes that battery conditions and engine cranking speed are OK, and there is adequate fuel in tank. This chart should be used on engines with Model 700 throttle body.

NOTE: Numbers below refer to circled numbers on diagnostic chart.