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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P2122 To DTC P2689 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2428: Exhaust Gas High Temperature >> Circuit/System Description

Circuit/System Description

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The diesel oxidation catalyst (DOC) or catalytic converter, main function is to control emissions of Non Methane Hydro Carbons (NMHC) and soluble organic fraction (SOF). The secondary function of the catalytic converter is to assist with the diesel particulate filter (DPF) regeneration, by obtaining and sustaining the temperature necessary for regeneration. The engine control module (ECM) monitors the exhaust gas temperature (EGT) sensors.

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