Hi,
I have a Hyundai XG300L year 2001. Check Engine light is on and I am getting two codes:
-P0431 (Warm up Catalyst Efficiency Below Threshold Bank 2) and
-P0401 (Exhaust gas Recirculation flow insufficient detected)
I am wondering what my steps should be to diagnose the exact malfunction part? is there a possible common cause of these two issues?
Would appreciate any help.
Regards,
Atif|||something is clogging your exhaust and the cats are getting warm from the back pressure.
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