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2020
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Insight EX
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Repair and Diagnosis (Single Page)
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Engine Performance
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Engine Control System - Advanced Diagnostics (1 Of 2)
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Advanced Diagnostics
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DTC P0171
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Malfunction Threshold
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Malfunction Threshold
Long term fuel trim is 1.30 (+30 %) or more.