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2000, backfire, bank, catalyst, clears, code, efficiency, engine, giuffre, grand, lawsuit, mazda, p0420, po420, rx8, threshold

1 Attachment(s)

P0420 Cataclyst System Efficiency Below Threshold (Bank 1)

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Multi-page thread

1 2)

bugster on 08-07-2008

10-09-2019 01:29 PM
by Imgunnaownu

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44

85,881

Series I Trouble Shooting

bad, cat, club, code, failure, gas, happen, p0301, p0420, p0420p0301, p301, po301, po420, pontiac, rx8, start, worst

P0420/p0301

kathykat0710 on 06-19-2011

01-14-2012 09:09 AM
by Mazurfer

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13

8,088

Series I Trouble Shooting

cel, code, p0420, po420, rx8, troubleshooting

Cel p0420

Ndsully on 10-19-2011

10-19-2011 01:01 PM
by Ndsully

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10

1,763

Series I Trouble Shooting

12w6, 2004, catalytic, code, converter, cost, epagovomsconsumerwarr95fstxt, mazda, p0420, pepboys, po420, ports, problems, replacing, rx8, rx8club

P0420 Catalytic Converter?

renaldo on 03-31-2009

02-25-2011 02:22 AM
by bumblebeerx8

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17

9,799

Series I Trouble Shooting

, 82, bad, code, gas, overheating, p0420, po420, relay, rx7, rx8, shut, slightly, smell, sulphur, thermostat, wiring

P0420 and overheating

miya on 06-10-2009

09-13-2010 03:06 AM
by yiksing

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14

10,423

Series I Trouble Shooting

Question

0355, 04, code, ecu, error, mazda, p0031, p0420, po420, rx8

ECU error Code help needed

Paul Woodsford on 12-08-2009

12-08-2009 01:18 PM
by kersh4w

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1

1,575

Series I Tech Garage

2004, code, codes, coils, engine, error, fault, infamous, mazda, obd, p0420, p420, po420, rx, rx8

ah! the infamous P0420 code! what now

Xander on 06-04-2009

06-08-2009 02:54 PM
by NotAPreppie

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5

3,387

Series I Trouble Shooting

2007, code, fault, gauge, installing, leading, location, mazda, o2, p0420, po420, rx8, sensor, sensors, stock, troubleshooting, wwwp0420com

P0420 Code, odd

L337fpc on 02-15-2009

02-15-2009 05:31 PM
by L337fpc

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5

7,963

Series I Trouble Shooting

420, code, collision, conover, flooding, mazda, morristown, nassau, nj, po420, problem, rx8, whats

3 Attachment(s)

Help fellas Another PO420 code What to do?

Pico on 01-26-2009

02-06-2009 08:05 AM
by Pico

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17

1,375

Series I Trouble Shooting

2007, bad, code, eccentric, engine, error, mazda, misfire, okada, po420, rx8, rx8club, sensor, shaft, trouble

Misfire and po420 error code

ferris11 on 02-27-2008

02-29-2008 11:08 AM
by ferris11

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15

5,520

Series I Trouble Shooting

420, code, emissions, error, mazda, po160pd, po420, rx8, trouble

po420 error code

ferris11 on 01-27-2008

01-27-2008 11:43 PM
by nycgps

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2

939

Series I Tech Garage

4020, catalytic, check, code, converter, engine, failed, fix, light, mazda, obd, p0420, p420, plug, po420, rx8, spark

Check engine light P0420

u1cracka on 04-08-2007

04-13-2007 02:23 PM
by u1cracka

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7

6,230

Series I Tech Garage

2005, actron, bank, cel, code, delete, mazda, p0420, pending, po420, rx8, rx8club

p0420 cel

onekwik7 on 12-21-2005

12-23-2005 10:00 AM
by Cool-Blue-Dad

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6

2,016

Series I Tech Garage

catalyst, dtc, efficiency, mazda, owners, p0420, po420, rx, rx8, rx8club, system, threshold

1 Attachment(s)

P0420 Catalyst Problem ?

nycgps on 12-05-2005

12-05-2005 10:02 AM
by nycgps

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3

2,675

Series I Tech Garage

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