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Home >> Saturn >> 2001 >> L300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0451: EVAP Fuel Tank Pressure Sensor Circuit Performance >> Code Enable Criteria

Code Enable Criteria

Engine is at idle.
ECT at start-up is less than 91°F (33°C).

DTC sets when fuel tank pressure voltage is more than 4.5 volts for more than 10 seconds.

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