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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Engine Controls And Fuel - 4.3L (LV1) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0171, P0172, P0174, or P0175 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

P0171, P0174 

The limit to correct a lean air/fuel ratio has been exceeded. - After the running conditions are met - For greater than 3 min

P0172, P0175 

The limit to correct a rich air/fuel ratio has been exceeded. - After the running conditions are met - For greater than 3 min

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