Learn about DTC P0400: Exhaust Gas Recirculation flow malfunction. Discover causes, symptoms, and fixes for EGR system issues to reduce NOx emissions and res…
Read more....Category: P0400 à P0499
P0401 Insufficient EGR Flow
Understand P0401 EGR flow issues: symptoms, causes, and repair steps for this exhaust gas recirculation system trouble code in OBD-II vehicles.
Read more....P0402 EGR Excessive Flow Detected
Diagnose P0402 code: Excessive EGR flow detected. Learn causes, symptoms, and fixes for your vehicles exhaust gas recirculation system issues.
Read more....P0403 Exhaust Gas Recirculation Circuit Malfunction
Learn about P0403 EGR circuit malfunction: symptoms, causes, and fixes for reduced emissions and improved engine performance. Expert diagnostic guide.
Read more....P0404 Exhaust Gas Recirculation Circuit Malfunction
Learn about P0404 EGR circuit malfunctions: symptoms, causes, and repair solutions for reduced emissions and improved engine performance.
Read more....P0405 EGR Sensor A Circuit Low
Troubleshoot P0405 EGR sensor circuit low voltage with expert diagnostics. Learn EGR system functions, common causes…
Read more....Exhaust Gas Recirculation Sensor A Circuit High
Learn the meaning, causes, and solutions for the P0406 code related to your vehicles EGR sensor A high circuit.
Read more....P0407 Low EGR Sensor B Circuit
Learn about P0407 code: Low EGR sensor circuit issues in your vehicles exhaust system.
Read more....Code P0408: EGR Valve Circuit B Malfunction – Causes and Solutions
Learn the causes and solutions for P0408 code: EGR valve circuit B malfunction. Fix electrical issues in your EGR system to reduce emissions and restore engi…
Read more....P0409 Exhaust Gas Recirculation Sensor “A” Circuit
Troubleshoot P0409 code: EGR sensor circuit issues affecting engine performance. Learn symptoms, causes…
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