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Home >> Oldsmobile >> 1991 >> Toronado Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.8L PFI >> Diagnostic Flow Charts For Codes: 13 To 68 >> Code 68, System Problem Using Tech 1 >> Diagnostic Aids

Diagnostic Aids

Outside interference such as CB antenna lead near PCM wiring harness may cause a false servo position sensor signal, setting Code 68.