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 05-14-2013

02-25-2016 12:05 PM
by Alanah_Rae

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16

13,333

code, flex, ford, p0420

Engine code P0420, '09 Flex

Stangman649 on 03-30-2014

03-30-2014 11:30 PM
by Stangman649

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0

5,280

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 03-19-2012

04-10-2012 09:50 AM
by Vincent King

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6

3,458

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 07-18-2011

07-26-2011 10:36 PM
by scubadilla4545

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4

2,196

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 09-27-2010

09-28-2010 08:33 AM
by fl_hayseed

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1

3,968

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

diagnostic code P0420 catalyst system below threshold.

porterjohn054 on 11-11-2009

11-11-2009 04:43 PM
by porterjohn054

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0

5,906

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 11-01-2009

11-02-2009 07:24 AM
by Use Common Sense

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2

5,377

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