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Recent questions tagged p0420

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1 answer 231 views

why does my 2002 chev suburbon

asked May 26, 2017 by anonymous

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1 answer 1.7k views

2003 Toyota Sequoia P0420 code Which side 02 sensor to replace and fore or aft?

asked May 26, 2017 by Mike

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1 answer 402 views

P0420 2007 Nissan Maxima -

asked May 25, 2017 by anonymous

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1 answer 1.4k views

which side is bank 2

asked May 23, 2017 by Brett Teets

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1 answer 252 views

asked May 22, 2017 by bill

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1 answer 423 views

I am getting two codes on my 2006 kia optima po420 and po 300 what is this

asked May 21, 2017 by Iris Bowman

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1 answer 812 views

1997 Honda Civic Code P1361, P1362, P0505 and P0420

asked May 20, 2017 by anonymous

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1 answer 911 views

On my 06 ford 5.4 3 valve has dtc po430 what cat is that?

asked May 17, 2017 by anonymous

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2 answers 468 views

1999 Ford Crown Victoria 4.6L with engine code P0420, which side on the car?

asked May 17, 2017 by anonymous

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2 answers 1.0k views

2001 Dodge Neon with engine code P0420, how can i fix this code?

asked May 16, 2017 by anonymous

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1 answer 367 views

2003 Chevrolet Monte Carlo Catalytic Converters

asked May 16, 2017 by BILL

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1 answer 668 views

2000 Nissan Altima with code P0420, P0325, P0446, P0505, and P1490 where to start?

asked May 15, 2017 by anonymous

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1 answer 528 views

P0171 code on 2000 Toyota Avalon cause?

asked May 12, 2017 by Evelyn

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1 answer 312 views

asked May 9, 2017 by dave

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1 answer 769 views

P0420 2002 TOYOTA SIENNA

asked May 9, 2017 by Richard Hartman

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1 answer 330 views

P0420 Nissan - pathfinder

asked May 8, 2017 by anonymous

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1 answer 1.0k views

what is engine code PO430

asked May 7, 2017 by Mechanically Lost

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1 answer 286 views

Relation to leaky coolant nipple on manifold blowing rear COP? (since re-built).

asked May 3, 2017 by anonymous

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1 answer 378 views

po440 2002 Chevy Trailblazer

asked May 2, 2017 by anonymous

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1 answer 538 views

1997 GMC 1500 Truck with engine codes P0719 and P0420, how do I fix that problem?

asked Apr 30, 2017 by anonymous

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