Threads Tagged with precat

A8 / S8 (D3 Platform) Discussion

1997, 27, 27t, a8, apre, audi, cat, o2, oxygen, post, postcat, pre, precat, replace, replacement, sensor, sensors

pre CAT o2 sensors - 4.2

A8CT on 07-20-2012

07-21-2012 06:34 AM
by A8CT

1

1,443

2000, 2007, 2008, 325i, 335i, a8, aging, audi, bank, bmw, catalyst, catalytic, code, converter, efficiency, oxy, oxygen, precat, sensor

Can anyone interpret this fault code?

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am_ver on 12-28-2010

04-15-2011 10:23 PM
by Nedrager

10

8,759

A6 / S6 (C6 Platform) Discussion

02, 15733, 27t, a8, audi, b6, bosch, forum, oxygen, parts, precat, replace, sensor, sensors, universal

Pre cat Oxygen sensors replacement parts...

baudenfj on 02-09-2011

02-09-2011 08:59 AM
by baudenfj

0

1,503

1997, 200, advance, audi, auto, cat, o2, parts, powered, pre, precat, sensor, vbulletin, vr6, wire

(1.8T) 5 wire pre-cat O2 sensor $52 at Advance Auto Parts!

steveline on 03-21-2010

03-21-2010 11:09 AM
by steveline

0

2,268

A8 / S8 (D2 Platform) Discussion

02, 18t, 2000, a4, audi, bosch, change, downstream, easy, install, mazda, millenia, oe, oxygen, precat, sensor, smartlink

Oxygen sensors - pre cat

Ozie on 01-07-2010

01-11-2010 09:35 AM
by Windlass34

5

2,611

audi, green, o2, oval, oxygen, precat, sensor, tt

O2 sensor Confusion

KLALE on 12-29-2009

12-31-2009 09:09 AM
by KLALE

3

1,588

01, 2001, a6, audi, location, maf, o2, ohms, precat, replace, replacing, s4, sensor, sensors, tt, universal

O2 Sensors or MAF?

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1 2)

Scott Long on 07-20-2009

08-01-2009 07:22 PM
by complacentsee

15

3,482

02, a4, audi, b5, bad, long, misfire, o2, os, precat, replacing, s4, sensor, term, tt

Could a bad precat O2 sensor cause misfires?

phoneyman on 07-13-2009

07-14-2009 05:36 AM
by kustomkoncepts

1

10,240

A8 / S8 (D2 Platform) Discussion

1200, a6, audi, cat, oxygen, passenger, pre, precat, sensor, side

Pre Cat Oxygen Sensors

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Mark.A.Baumann@gmail on 03-12-2009

03-12-2009 07:10 PM
by ricoblanco

15

1,767

06a906262q, 2003, 27t, 98, a4, allroad, audi, cat, extend, o2, post, pre, precat, sensor, wire

Found a cheap pre-cat O2 SENSOR ( Cheaper than 06A 906 262 Q )

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fkacct on 09-25-2007

01-16-2009 04:53 PM
by TTransport

15

6,835

TT (Mk1) Discussion

28, a4, audi, b5, bad, bank, cat, detect, faulty, o2, post, pre, precat, s4, sensor, z06

Pre Cat O2 sensor going bad. Yesterday for the first time it triggered a CEL going 80mph at WOT.

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trancesp0t on 11-20-2008

11-21-2008 06:19 AM
by trancesp0t

13

1,586

Wel I am ready for my next mod... I hear talk of "Piggies" and gutted pre-cats...

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MarcsA8 on 09-16-2008

09-19-2008 08:50 AM
by Roque

24

1,678

Is there a way to clean precat O2's? I am ordering them next week but...

KillA6 on 08-05-2008

08-06-2008 05:34 AM
by S4_NE

9

429

b5, bad, cat, cats, misfire, missfire, o2, pre, precat, replace, rs6, s4

Would bad pre cat O2's throw misfire codes?

KillA6 on 07-23-2008

07-23-2008 12:23 PM
by toeneal

7

641

So how much of a PITA is it to change pre cat O2's? B2 and B1

KillA6 on 07-22-2008

07-22-2008 11:46 AM
by KillA6

2

361

Can someone tell me what the CAT ECU flash upgrade is and how I perform it?

98Quattro on 07-22-2008

07-22-2008 09:46 AM
by A6sport

2

460

28, a4, audi, car, cat, diy, installing, location, oxygen, pre, precat, senson, sensor, sounds

After installing a new pre cat oxygen sensor, the car sounds funny. Exhaust tone is louder and comi

Shan H on 07-13-2008

07-13-2008 10:27 AM
by Shan H

2

579

2000, 28, a4, audi, b5, cats, difference, front, location, post, pre, precat, precatalyst, rear, sensor

What is the difference between pre cat O2 sensor and Post car O2 sensor in term of sensor wise(not

Shan H on 06-14-2008

06-15-2008 04:36 AM
by Ray Khan

3

6,169

A8 / S8 (D2 Platform) Discussion

Any residual value in the pre-cat section of the downpipes?....

Trango on 05-05-2008

05-05-2008 01:17 PM
by SKIroad'r

2

531

Audi allroad

2001, 28, 28l, a4, audi, bank, brown, cat, green, malfunction, miata, o2, oxygen, pre, precat, replace, sensor, voltage

Oxygen Sensor replacement (pre-cat) on 2001 A4 2.8

bilbravo on 01-08-2008

01-10-2008 06:07 AM
by Millatime

9

16,087

30v V6 Discussion

Where are all the O2 sensors? I found the pre-cat ones and am looking for the others?

chenishead on 12-02-2007

12-03-2007 03:49 PM
by chenishead

6

653

just threw some codes. see what you guys think.

2kblacks4bham on 09-20-2007

09-20-2007 06:40 PM
by SlowestS4Here

8

486

S4 (B6 & B7 Platforms) Discussion

02, 2004, 27t, a6, allroad, audi, bank, cat, diagram, o2, pre, precat, replacement, sensor, sensors, warranty

Pre-cat Oxygen Sensors Replacement

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azeezn on 03-19-2007

05-10-2007 06:00 PM
by TorontoAllroad

16

1,337

Audi allroad

2004, aftermarket, audi, b6, cats, downpipes, gut, gutting, oem, pre, precat, precats, s4

noobie..Do aftermarket downpies for the b6 s4 have pre-cats that you can gut like the b5 stocker

golfindaily on 05-07-2007

05-07-2007 01:18 PM
by Sia Bani

4

629

1999, 2000, a6, audi, b5, cat, code, fouler, mod, nonfouler, nonfoulers, o2, pre, precat, s4, sensor, throwing

Tried the 'non fouler' mod to get rid of my precat efficency code problem...

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Kris Hansen on 02-22-2006

02-23-2006 04:29 AM
by Kris Hansen

10

1,764

02, 2000, 2001, 27, 27t, a4, a6, audi, bad, bank, catalytic, catylic, converter, oem, precat, wich

Catalytic Converter on 2.7t

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uberlinkA5 on 01-25-2006

01-25-2006 09:19 PM
by slimmn

15

14,331

2000, 2001, 27t, audi, cat, cats, gains, gutted, gutting, power, pre, precat, removal, s4

2.7t pre-cat removed.....

Sal@elitemotorsports on 01-07-2006

01-10-2006 05:19 AM
by Tyrolsport

6

1,124

NY / NJ / CT Discussion

27t, audi, audiworld, b5, cats, diy, downpipe, downpipes, guttin, gutting, main, mig, pipe, precat, s4, welding

DIY Down Pipe gutting (very long)

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OCA::DIY Motorsports on 11-18-2005

11-21-2005 11:03 PM
by kiNGMak.:.OEM

60

13,358

18t, 2003, 2004, a4, audi, b5, bad, cat, mileage, o2, passat, pre, precat, replace, replacement, sensor

Question: pre-cat o2 sensor replacement.

JA4T on 06-22-2005

06-22-2005 06:49 PM
by JA4T

7

636