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Home >> Pontiac >> 2007 >> Solstice GXP, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls & Fuel - 2.4L - DTC P0420 To P2544) >> DTC P0451, P0452, P0453, or P0454 >> Circuit/System Verification

Circuit/System Verification

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Ignition ON, observe the scan tool fuel tank pressure (FTP) sensor parameter. The reading should be between 1.3-1.7 volts with the fuel cap removed, and change with fuel tank pressure.