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P0430 Chevrolet -
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asked
Nov 20, 2018
by
anonymous
I put on a new catylatic convertor, drove home and the check engine light came back on with the same code po430. Why?
Vehicle:
2007 Chevrolet trailblazer ss 6.0
p0430
code
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answered
Nov 20, 2018
by
Carguy1
(
13.5k
points)
Hi there,
It is possible there is an issue with the rear O2 sensor, you may have installed it on the wrong bank. It is also possible that the code is a result of the different detergents and additives used in the fuel as the weather changes.
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