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Home >> Pontiac >> 2007 >> Grand Prix GXP >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Controls & Fuel - 3.8L - DTC P0601 To U0107) >> DTC P2227 >> Circuit/System Verification

Circuit/System Verification

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Ignition ON, observe the scan tool MAP and BARO sensor parameters. The readings should be within 5 kPa of each other, and also the current BARO for your location. Refer to Altitude Versus Barometric Pressure .

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