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timbricker 4/1/2010
1996 Honda Civic LX 4Cyl1.6L - Engine
Failed NOX and HCs emissions test
HELP!!! Bought the car last week, failed yesterday. They guy I bought it from said he would cover the repairs, but now I can't find or get ahold of him!!! I have been told this could be O2 sensor(s) or the cat.
What I've done since I bought it:
Performance Wires
Irridium Plugs
Fram Air filter
Oil change with Syn. blend and Hi Cap Fram oil filter
2 Answers
  • Mike
    Mike 6/21/2010
    Check the egr system
  • HouseCallAuto
    HouseCallAuto 6/21/2010
    If you do the cat, the likelihood of it passing is very high. If you do the cat, also replace the forward O2 sensor.

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