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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (1 Of 3)) >> Diagnostic Information and Procedures >> DTC P026A >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The CAC efficiency is computed as a ratio between CAC inlet temperature - CAC outlet temperature and CAC inlet temperature - ambient air temperature.

The ECM detects that the average temperature reduction ratio of the CAC is less than 25% for greater than 20 s.

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