Q: P0420 code. What type of scanners do your mechanics use? Can they real time monitor the 02 sensors?
P0420 code. What type of scanners do your mobile techs use? Can they monitor the O2 sensors in real time and can the "check engine light on" diagnostics service determine exactly why this code is being thrown? I.E. Bad O2 sensor, misfire, or catalytic converter needs replaced?
My car has 140000 miles.
My car has an automatic transmission.
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