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Volvo
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2004
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XC90 Base, AWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control Module (ECM) Diagnostic Trouble Codes - 4 Of 13
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ECM-303D: Front Knock Sensor (KS). Signal Too Low (B5254T2; 2005-2007)
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Signal Too Low. Permanent Fault
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Replacing The Component
Replacing The Component
Replace the knock sensor (KS). See
KNOCK SENSOR (KS), REPLACING
.
Fig 1: Identifying Knock Sensor
Courtesy of VOLVO CARS CORPORATION
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