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Forward Control 4.3 Z, Automatic
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Section 104 (Engine Controls - Basic Testing - 2.2L)
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Diagnostic Circuit Check
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Diagnostic Circuit Schematic
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Diagnostic Circuit Schematic
WARNING:
This page is about a different car, the 1995 GMC Sonoma and 1995 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuel Injection Diagnostic Circuit Schematic (2.2L With PCM)
Courtesy of GENERAL MOTORS CORP.