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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P1428 or P142A >> Conditions for Setting the DTC

Conditions for Setting the DTC

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EGR Temperature Sensor 1, 2 & IAT Sensor 2 = Not within 20°C (36°F) of each other @ Cold Start-Up