p0420 - Mazda3Club.com : The Original Mazda3 Forum - Threads Tagged with p0420

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Threads Tagged with p0420

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2002, 2012, 999, big, deal, egr, giving, mazda, mpg, p0402, p0420, protege, replacing, sensor, unfixed, valve

EGR a big deal? Pls help a n00b!

Isabellatrix on September-15th-2011

December-15th-2011 09:56 AM
by aaronjames

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12

4,778

3rd Gen Protege/MazdaSpeed/P5/MP3

323, 99, 99mazda, belt, catalytic, change, changing, converter, mazda, o2, p0420, problems, protege, replace, replacing, sensor, timing

'99 Mazda Protege problems and questions

thrax on June-22nd-2011

June-22nd-2011 05:21 PM
by thrax

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0

5,149

3rd Gen Protege/MazdaSpeed/P5/MP3

02, 2002, 2004, cel, check, code, codes, ecl, engine, es, light, mazda, mazdaspeed, p0012, p0171, p0420, protege

CEL codes P0171/P0420

chiefmg on April-22nd-2006

May-18th-2007 05:25 AM
by telltom

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3

8,497

Mazda Service Info

ECU code 420

(

Multi-page thread

1 2)

Jas00x on January-23rd-2004

February-4th-2004 06:52 AM
by blackp5ca

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15

3,243

3rd gen Engine/Drivetrain

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