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Verona S
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DTC P0404 Exhaust Gas Recirculation (EGR) Valve Failure
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Conditions for Setting the DTC
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Conditions for Setting the DTC
Engine is running.
EGR PWM controller is less than -49.4% or greater than 49.4%.
EGR pintle learnt volts is less than 0.16 V or greater than 1.76 V.