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Recent questions tagged catalyst-efficiency-below-threshold

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1 answer 353 views

96 Pathfinder 3.3L throwing P0420 on a new catalytic converter.

asked Apr 12, 2017 by Lloyd

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1 answer 370 views

1999 Infinity QX4, 367,000 miles - code P0420 - Help

asked Apr 8, 2017 by Terry

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1 answer 371 views

how to fix the catalytic efficiency low-bank 1 on a 2005 Pontiac Alero

asked Mar 28, 2017 by Larry

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1 answer 662 views

I have a 2000 Toyota sienna and its throwing a code for catalyst efficiency below threshold bank 1?

asked Jan 19, 2017 by Scott White

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