Nissan Quest 2000 came up with the code of PO 402

Question

Service engine light soon came up. Ran code and it came up PO402 on a 2000 Nissan Quest

Answer 1

The P0402 code means that you have a problem with the EGR system. EGR valve may be gettins stuck.  You could try start by cleaning or replacing the EGR valve.

P0402 Nissan - Exhaust Gas Recirculation Flow Excessive Detected

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