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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Controls And Fuel - 3.5L - DTC P0341 Through DTC P2544) >> DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 >> Conditions for Setting the DTC >> P2138

Conditions for Setting the DTC: P2138

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The ECM detects that the difference between APP sensor 1 and APP sensor 2 exceeds a predetermined value for greater than 0.5 second.

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