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Home >> Pontiac >> 2007 >> G6 Base, 2.4 B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 2.4L - DTC P0010 To DTC P0354 >> DTC P0106 >> Circuit/System Verification
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Circuit/System Verification

IMPORTANT: Verify that the engine is in good mechanical condition before continuing with this diagnostic.
  1. If DTC P0641 or P0651 are set, Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
  2. Verify that restrictions do not exist in the MAP sensor port or vacuum source.
  3. Verify that restrictions do not exist in the exhaust system. Refer to Restricted Exhaust .
  4. Ignition OFF for 90 seconds, determine the current vehicle testing altitude. Ignition ON, observe the scan tool BARO parameter. Compare the parameter to the Altitude Versus Barometric Pressure table. The BARO parameter should be within the specified range indicated in the table.
  5. A skewed MAP sensor will also cause the first and second intake manifold models to disagree with the actual MAP sensor measurements. Use the scan tool and compare the MAP Sensor parameter to a known good vehicle, under various operating conditions.
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