2005 Honda Civic DTC PO 400

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CUSTOMIZER 29
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  • 8 POSTS
Engine Performance problem
2005 Honda Civic 4 cyl Front Wheel Drive Manual

DTC PO 400 EGR and sensor was replaced. DTC PO400 still kicks back up. what to do?
Feb 25, 2010 at 6:34 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Hi customizer 29,

Our database does not have the trouble code mentioned. Can you recheck if the code is correct?

What scanner was used? Maybe you should try with a different scanner to see if the codes remain the same.
Feb 27, 2010 at 2:34 AM
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