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 Jul 20, 2012

Jul 21, 2012 06:34 AM
by A8CT

1

1,535

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 Dec 28, 2010

Apr 15, 2011 10:23 PM
by Nedrager

10

9,787

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 Feb 9, 2011

Feb 9, 2011 08:59 AM
by baudenfj

0

1,595

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 Mar 21, 2010

Mar 21, 2010 11:09 AM
by steveline

0

2,336

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 Jan 7, 2010

Jan 11, 2010 09:35 AM
by Windlass34

5

2,848

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

O2 sensor Confusion

KLALE on Dec 29, 2009

Dec 31, 2009 09:09 AM
by KLALE

3

1,931

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

O2 Sensors or MAF?

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Scott Long on Jul 20, 2009

Aug 1, 2009 07:22 PM
by complacentsee

15

4,045

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 Jul 13, 2009

Jul 14, 2009 05:36 AM
by kustomkoncepts

1

11,060

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 Mar 12, 2009

Mar 12, 2009 07:10 PM
by ricoblanco

15

1,973

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 Sep 25, 2007

Jan 16, 2009 04:53 PM
by TTransport

15

7,316

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 Nov 20, 2008

Nov 21, 2008 06:19 AM
by trancesp0t

13

1,928

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

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MarcsA8 on Sep 16, 2008

Sep 19, 2008 08:50 AM
by Roque

24

2,191

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

KillA6 on Aug 5, 2008

Aug 6, 2008 05:34 AM
by S4_NE

9

504

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

Would bad pre cat O2's throw misfire codes?

KillA6 on Jul 23, 2008

Jul 23, 2008 12:23 PM
by toeneal

7

724

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

KillA6 on Jul 22, 2008

Jul 22, 2008 11:46 AM
by KillA6

2

472

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

98Quattro on Jul 22, 2008

Jul 22, 2008 09:46 AM
by A6sport

2

633

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 Jul 13, 2008

Jul 13, 2008 10:27 AM
by Shan H

2

762

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 Jun 14, 2008

Jun 15, 2008 04:36 AM
by Ray Khan

3

7,144

A8 / S8 (D2 Platform) Discussion

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

Trango on May 5, 2008

May 5, 2008 01:17 PM
by SKIroad'r

2

599

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 Jan 8, 2008

Jan 10, 2008 06:07 AM
by Millatime

9

16,728

30v V6 Discussion

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

chenishead on Dec 2, 2007

Dec 3, 2007 03:49 PM
by chenishead

6

769

just threw some codes. see what you guys think.

2kblacks4bham on Sep 20, 2007

Sep 20, 2007 06:40 PM
by SlowestS4Here

8

604

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 Mar 19, 2007

May 10, 2007 06:00 PM
by TorontoAllroad

16

1,908

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 May 7, 2007

May 7, 2007 01:18 PM
by S4Tuned

4

765

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 Feb 22, 2006

Feb 23, 2006 04:29 AM
by Kris Hansen

10

1,989

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 Jan 25, 2006

Jan 25, 2006 09:19 PM
by slimmn

15

15,212

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

2.7t pre-cat removed.....

Sal@elitemotorsports on Jan 7, 2006

Jan 10, 2006 05:19 AM
by Tyrolsport

6

1,200

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 Nov 18, 2005

Nov 21, 2005 11:03 PM
by kiNGMak.:.OEM

60

14,470

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

Question: pre-cat o2 sensor replacement.

JA4T on Jun 22, 2005

Jun 22, 2005 06:49 PM
by JA4T

7

697