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Honda
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2021
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Insight EX
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - Advanced Diagnostics (1 Of 2)
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Advanced Diagnostics
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DTC P027E
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Confirmation Procedure
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Operating Condition
Operating Condition
Leave the vehicle until the engine coolant temperature [ECT Sensor 1] lowers to 77 deg.F (25 deg.C) or less.
Start the engine, and let it idle for at least 7.0 seconds.