1999 camry p0401

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OBDIITech · Answer 1 · 2018-03-28T20:21:43+0000

Since you are getting both codes you may have a to replaced the EGR valve.

P0401 TOYOTA - Exhaust Gas Recirculation Flow Insufficient Detected

Read more: https://www.autocodes.com/p0401_toyota.html

P0402 TOYOTA - Exhaust Gas Recirculation Flow Excessive Detected

Read more: https://www.autocodes.com/p0402_toyota.html