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Car Forum / Nissan / Nissan Maxima / June 2007Reprogramming the ECM for P0420
I just had the code P0420 come up with the SES light in my 2001 Maxima, and from some reading online it seems that there's a TSB to handle this. The problem is that my car has over 80k miles and the dealer told me that it would cost over $300 to service the TSB. Is that a reasonable charge or is there a way I can do this myself or for cheaper? Thanks, Dave >I just had the code P0420 come up with the SES light in my 2001 >Maxima, and from some reading online it seems that there's a TSB to [quoted text clipped - 4 lines] >Thanks, >Dave no its not, but you do not have a choice - only a dealer can reflash the ECU program (new program sets the trip point for this code higher). You might be having some O2 sensor issues to... On Jun 27, 2:25 pm, common_ s...@netscape.com wrote: > "davejohan...@gmail.com" <davejohan...@gmail.com> wrote: > >I just had the code P0420 come up with the SES light in my 2001 [quoted text clipped - 11 lines] > > You might be having some O2 sensor issues to... Thanks for the info. Dave On Jun 27, 5:51 pm, "davejohan...@gmail.com" <davejohan...@gmail.com> wrote: > On Jun 27, 2:25 pm, common_ s...@netscape.com wrote: > [quoted text clipped - 16 lines] > Thanks for the info. > Dave The light actually just went off, so I think that it probably just needs the ECU reprogram to avoid these false alarms, but is there something that I can do to check the O2 Sensor or make sure that there isn't a real problem? Thanks, Dave |
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