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Catera
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Repair and Diagnosis (Single Page)
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Engine Performance
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Engine Controls - Self-Diagnostics - 3.0L
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Diagnostic Tests
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DTC P1602: Knock Sensor Module Performance
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Code Enable Criteria
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Code Enable Criteria
Engine Coolant Temperature (ECT) is more than 104°F (40°C).
DTC sets when ECM detects a fault in the internal knock sensor module.