nissan xterra po420 codes

2003 nissan xterra po420 code bank1 i replace both o2s and the manifold and upper convertor still have po420 code
Reply to
Bass_n_around
Loading thread data ...

Did you pull the battery cables to reset the computer?

Chris

Reply to
Hal

MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.