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Originally Posted by JeffJ
I got a service engine soon light for EGR valve malfunction excessive flow. Is there a write up on how to clean it? I read there is a nissan bulletin, but I can't seem to find it.
i don't know to much on the petrol motors but one thing to check would be exhaust. check for dents in pipes, clogged mufflers or a clogged cat. either one will cause high back pressure and excessive EGR flow.
'04 D22 Navara ZD30 3 litre diesel power
EGR and butterfly mod, catch can, extra rear spring leaf, to muddy to clean!