LEMON Manuals
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Cadillac
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1993
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Allante
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Repair and Diagnosis
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Engine Performance
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P053: 4X Reference Signal Interrupt From Ignition Control Module
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Test Conditions
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Test Conditions
Codes P019 and P035 are not set.
Engine speed greater than 568 RPM.