2002 Nissan Sentra code-p0430

2002 NISSAN SENTRA
103,220 MILES • AUTOMATIC
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FRANK1213
  • MEMBER
  • 4 POSTS
I checked the car with code scanner with p0430 catalyst system efficiency below threshold bank 2?canyou help me to find out the part that I need exactly for this 2002 Nissan sentra twin cam 16 valve motor,thank you.
Oct 28, 2015 at 5:35 AM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
The cat converter is not operating as per specs, this may be due to a few related problems, check that the O2 sensor is working, a scanner will show the voltages changing check for exhaust leaks, check that the cat is not damaged and broken, check these first.
Oct 28, 2015 at 5:53 AM
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