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p0430

  1. Repair Questions
    Hello!! Ok I have a 2003 Xterra XE 3.3L V6 5 speed manual and I’ve been having a hell of a time getting this thing road ready for an etest. I started by fixing my evap which is A ok now but I was still getting codes for the notorious knock sensor so I took a day to fix that but that seemed to...
  2. Repair Questions
    So I've got a 2003 3.3L 4x4 and I am getting the P0430 code on it. So it obviously has to be a bad cat or a bad o2 sensor right? Now I also am feeling a vibration or rattle when initially accelerating at about 2k rpm. Does this imply that it definitely is the cat that is shot?
  3. Repair Questions
    2001 3.3L w/ ~170k miles. I replaced a cracked right exhaust manifold and approximately a month later, thanks to the wonderful state of California, I'm due for smog check/inspection. Had no SES prior to smog but low and behold "they" were kind enough to generate this one for me: P0430 Catalyst...
  4. Repair Questions
    I recently had gotten a knock sensor code and a catalytic converter code at the same time on my 2002 Nissan Xterra. My mechanic suggested we replaced the knock sensor because it was possible that the bad catalyic converter efficiency was caused by the engine not operating properly. the knock...
  5. Repair Questions
    Hello, I just bought my XTerra about a month ago. Its a 2004 XTerra with the naturally aspirated 3.3 V-6 mated to the 5 speed manual 4x4 trans. She has 112,000 miles at present, and I am about to start the process of going through and doing the maintenance. Yesterday, it threw the SES light...
  6. How To's, DIY and Write ups
    Hi, I got great info from the forums, which helped me fixed some problems with sensors in my two Xterras. So I'm trying to return the favor and post some hopefully helpful hints myself. Recently I bought 2005 Xterra. The guy sold it very cheap. Pretty quickly I found out why. The car had...
  7. Repair Questions
    So I guess I will start off with describing my xterra. It's just a plain 2005 with the SE package, 113,000+ miles mostly highway, that I bought from carmax last June. I have taken it in places I definitely should not have been with a near stock vehicle but as most of you know, this thing is a...
  8. Pacific Forum
    Hi, My beloved 01 Xterra as SES light on, results from Nissan is: DTC P0325 knock sensor, P0420 and P0430 (3 wat cat bank 1 and 3 way cat bank 2), along with exhaust manifold leaking, valve cover gaskets leaking, head gasket leaking coolant, oil pan gasket leaking, rear engine seal leaking. The...
  9. Repair Questions
    My beloved 01 Xterra as SES light on, results is: DTC P0325 knock sensor, P0420 and P0430 (bank 1 and 2), along with exhaust manifold leaking, valve cover gaskets leaking, head gasket leaking coolant, oil pan gasket leaking, rear engine seal leaking. The car has 194,000 miles on it. I have new...
  10. Repair Questions
    My 2004 Xterra 3.3 V-6 has the service engine light on and the codes that come up are P0430 Catalyst system efficiency below threshold (bank 2) and P0328 Knock sensor 1 Circuit high input (Bank 1 or single sensor) (3). It did not pass emissions so I need to correct this so I can get my tags...
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