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2000 Honda Civic OBD 2 Trouble Codes

Tiny
CMEAND1
  • MEMBER
  • 2000 HONDA CIVIC
  • 4 CYL
  • FWD
  • MANUAL
  • 93,300 MILES
I recently got codes P0172 Generic System Too Rich Bank1, and P0170 Generic Fuel Trim Malfunction Bank 1. I was told that in was my o2 sensor and that I needed a change for every 90k miles. I have a SI which is engine b16a2 manual transmission. Please let me know what I can do to fix this problem
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Wednesday, June 25th, 2008 AT 11:02 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Possible causes include a bad O2 sensor, excessive fuel pressure (bad fuel pressure regulator or plugged return line), leaky fuel injectors, dirty air filter or restricted air inlet, or a defective coolant sensor that prevents the engine management system from going into closed loop mode
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Thursday, June 26th, 2008 AT 6:36 AM

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