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Home >> Oldsmobile >> 1995 >> Ninety-Eight 3.8 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Controls - Tests W/Codes) >> ECM/Pcm Code Charts >> DTC P1257: Boost Control Problem - VIN 1 >> Diagnostic Aids >> Notes

Diagnostic Aids: Notes

WARNING: This page is about a different car, the 1995 Pontiac Bonneville, 1995 Oldsmobile Eighty-Eight, and 1995 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.

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