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Home >> Oldsmobile >> 1995 >> Ninety-Eight 3.8 K >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> ECM/Pcm Code Charts >> Code P1257, Boost Control Problem (VIN 1) >> Diagnostic Aids
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Diagnostic Aids

An intermittent may be caused by rubbed through wire insulation. Check for:

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