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Home >> Pontiac >> 2007 >> Grand Prix GXP >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls & Fuel - 3.8L - DTC P0016 To P0340) >> DTC P0116, P0125, or P0128 >> Conditions for Setting the DTC >> P0128

Conditions for Setting the DTC: P0128

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The control module detects that the actual amount of accumulated air flow is more than the predicted amount of accumulated air flow before the ECT reaches 80°C (176°F).