p0420 - Ford Forum - Enthusiast Forums for Ford Owners - Threads Tagged with p0420

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Threads Tagged with p0420

Threads Tagged with p0420

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39, code, engine, fix, free, freestar, lincoln, mkz, oil, p0420, pcv, plugs, pulled, seafoam, star, valve, volkswagen

Oil Issues

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viper29 on May 14, 2013

Feb 25, 2016 11:05 AM
by Alanah_Rae

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16

14,435

code, flex, ford, p0420

Engine code P0420, '09 Flex

Stangman649 on Mar 30, 2014

Mar 30, 2014 10:30 PM
by Stangman649

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0

5,887

Exclamation

2000, cat, catalyst, check, convert, engine, escort, evap, ford, forum, install, light, p0420, ready, zx2

Ford Escort ZX2 Gutter Cat .. passing inspection..

hipN0 on Mar 19, 2012

Apr 10, 2012 08:50 AM
by Vincent King

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6

3,578

2000, 2006, 46, 98, bank, check, code, codes, engine, f150, ford, motor, oil, p0420, po420, v8

Need Help 98 Ford F150 4.6 Check Engine

scubadilla4545 on Jul 18, 2011

Jul 26, 2011 09:36 PM
by scubadilla4545

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4

2,464

04, 0420, 1997, code, crown, eseries, explorer, ford, forums, o2, p0420, p0430, sohc, stream, taurus, vic

1997 Downstream O2 Sensors P0420 & P0430

fl_hayseed on Sep 27, 2010

Sep 28, 2010 07:33 AM
by fl_hayseed

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1

4,183

04, air, code, codes, control, diagnostic, escort, fault, focus, ford, freestar, idle, p0420, valve, windstar

diagnostic code P0420 catalyst system below threshold.

porterjohn054 on Nov 11, 2009

Nov 11, 2009 03:43 PM
by porterjohn054

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0

6,328

04, 2000, 42, bad, crown, cylinder, engine, ford, free, freestar, misfire, p0420, plugs, star, victoria

06 Freestar LTD - Ran fine, had plugs/wires replaced, now P0420 DTC

jcasaccio on Nov 1, 2009

Nov 2, 2009 06:24 AM
by Use Common Sense

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2

5,720

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