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Home >> Cadillac >> 2003 >> CTS Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0448: EVAP Vent Valve Control Circuit Shorted >> Diagnostic Procedure

Diagnostic Procedure

Fig 1: DTC P0448: EVAP Vent Valve Control Circuit Shorted (Steps 1-3)
G00249121Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0448: EVAP Vent Valve Control Circuit Shorted (Steps 4-11)
G00249122Courtesy of GENERAL MOTORS CORP.
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