LEMON Manuals
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Chevrolet
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2002
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Blazer 2D Utility, 4WD, Part Time, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls Self-Diagnostics - 4.3L
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Diagnostic Tests
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DTC P0230: Fuel Pump Control Relay Circuit
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Conditions For Running DTC
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Conditions For Running DTC
The engine speed is more than 400 RPM.
The ignition voltage is between 6-18 volts.