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Home >> Cadillac >> 2007 >> XLR V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - DTC P1380 To DTC P2544 >> DTC P2227 >> Circuit/System Verification
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Circuit/System Verification

Ignition ON, observe the scan tool MAP, SC Inlet Pressure 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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