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Acura
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1987
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Legend Coupe V6-2494cc 2.5L SOHC FI
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Engine Control System
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DTC 18
DTC 18
COUPE ONLY
Self-diagnosis Red LED indicator blinks eighteen times: A problem in the Ignition Timing Adjuster Circuit.
The ignition timing adjuster allows the electronic ignition advance to be set to
15°BTDC
at idle.