When your Chevrolet dashboard warns of a fault and the OBD reader throws the P0402 error, the engine control module indicates this breakdown:
"Exhaust Gas Recirculation Flow Insufficient Detected"
Keep in mind that the severity and repairs for this code depend entirely on the specifications of your Chevrolet, whether diesel, petrol, or hybrid.
With the CarWatch app you can connect a Bluetooth OBD2 scanner and let our AI analyze the P0402 code by crossing it with your vehicle's history and real-time telemetry.
👉 Diagnose my Chevrolet for FreeTo clear the engine light and read the P0402 code from your phone, you need an OBD2 adapter compatible with the Chevrolet ECU.
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