Mike's Workshop Manuals
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Honda
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2003
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Civic Si
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Repair and Diagnosis
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Engine Performance
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System
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Fuel System & Emissions System (Hatchback)
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How to Set Readiness Codes
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Evaporative Emissions (EVAP) Control System Monitor and Readiness code
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At engine start up, ECT and IAT are higher then 32°F (0°C), but lower then 95°F (35°C).
At engine start up, the ECT and IAT are within 12°F (7°C) of each other.