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Home >> Buick >> 1995 >> Roadmaster Base >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Tests W/Codes - 5.7L >> ECM/Pcm Code Charts >> Code 47, Knock Sensor Module
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Code 47, Knock Sensor Module

Knock sensor module is located inside PCM.

Fig 1: Code 47 Diagnostic Flow Chart (5.7L) Knock Sensor Module
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