LEMON Manuals
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Cadillac
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1992
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Eldorado Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes
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Pcm Code Charts
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Pcm Code E023, Est Circuit Problem
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Test Conditions (Run)
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Test Conditions (Run)
By-pass line high (5 volts) and reference pulses sent to PCM from HEI module.