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08-08-2012, 06:53 PM
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AF Enthusiast
Join Date: Mar 2008
Location: garner, North Carolina
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Jaguar dtc p0420
Transient DTC P0420 - Low catalyst on bank 1.
It wasn't the catalytic converter, or H02 sensor. HO2 sensor = Heated oxygen sensor wasn't doing the job during cold start. Root cause was a Bad/old battery. |
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