tomada3 Posted December 6, 2015 Report Share Posted December 6, 2015 hi have 3.3 v6 petrol grand voyager i have code p0420 come up saying cat below threshold bank 1both my o2 senors are no more than 6 months oldhow likely is it that my cat needs replacingwhat would occur if i continue to drivei know that the cat could break down internally causing blockage that will stop car runningthanks Quote Link to comment Share on other sites More sharing options...
0 tomada3 Posted December 7, 2015 Author Report Share Posted December 7, 2015 hi update my car was rear ended the day the code appeared a friend of mine said sometimes a rear end shunt can knock out senser so disconnected battery to reset system this has worked Quote Link to comment Share on other sites More sharing options...
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tomada3
hi have 3.3 v6 petrol grand voyager i have code p0420 come up saying cat below threshold bank 1
both my o2 senors are no more than 6 months old
how likely is it that my cat needs replacing
what would occur if i continue to drive
i know that the cat could break down internally causing blockage that will stop car running
thanks
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