Need help before giving mechanic ok

Asked by CC Mar 15, 2019 at 01:39 PM about the 2000 Nissan Maxima

Question type: Maintenance & Repair

I have to replace the two downward sensors on a
Nissan maxima 2000 and they want to do a you recommend getting it reflashed
first in case if it isn't really the sensors? Was
thinking about buying parts and giving it a go...idk
if that's a bad idea lol  but it could be SOOO
much cheaper if I do!

1 Answer


Why dont the mechanic actually do some testing to see why it so called needs these downstream sensors? Is it a heater circuit malfunction, constant check engine light from p0420 or p0430?

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