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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls And Fuel - 4.6L - DTC P0016 To DTC P0341) >> DTC P0101 or P1101 >> Conditions for Setting the DTC >> P0101

Conditions for Setting the DTC: P0101

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The engine control module (ECM) detects that the difference between the measured MAF and the MAP performance test 2 is greater than 25 g/s for greater than 0.5 second.