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Wv phaeton catalytic

Have a 2003 vw phaeton v6 petrol 21,000 it has been fine until recently it started to go a little jerky was reading the error codes error on line 1 catalyst cyinder 1 2 3 was diagnosed but the part number I got from vw workshop was to row 2 after talking to the shop, they said that the error is in row 1, and they posted the wrong item number I found one at a junkyard same article number and the engine had gone 12.000 mil it is new, changed but lambasonderna was not changed in the catalyst car is now not constant uneven but mostly after they pumped on the gas. after you turn off the car and restarting it goes well

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Changed oil in 05 vw jetta and exhaust light came on.

Hi Dohn. The save levelto fill you oil is 3/4 from empty on your dip stick. This gives the engine space to breath. What has most likely happened here is, the engine has had too much oil and is trying to find a way out which will end up on your drive or through yor exhaust.

Posted on Nov 28, 2008

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  • 3 Answers

SOURCE: 2003 VW Passat Malfunction Indicator Lamp on

I have a 2003 Passat GLX V6 and i havent been experiencing this issue, however from my experience with VW, the early 2000 models of the passat that have a 1.8T 4 cylinder engine have a major issue with what has been deemed "oil sludge" you have to be careful with this engine oil wise and make sure to get the oil changed every 3,500 - 4,500 miles and make sure you get the full synthetic oils for it and the proper filters :-) the turbo that is on this model heats up the oil to extreme temperatures and if not serviced regularly you will have problems.... i hope this helps! i would have someone check it again for this issue... hopefully you get to it before it becomes costly!

Posted on Jan 29, 2009

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SOURCE: hi i have a 1999 vw passat 2.8 v6 and the problem

hi i have a 1999 vw passat 2.8 v6 and the problem is that my car does not accelerate as normal,it goes up to 1500 rpm and 2000 rpm and it goes up and down,if u dont press the gas pedal it will die if i step more on gas it passes the 2000rpm but goes up slow and it does not pass more then 4000rpm,if i run the engine it dosent have power let explosions from the intake manifol

Posted on Jul 15, 2009

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SOURCE: VW P421 code

This is a common problem with V6 Passats. VW put out a TSB on this a few years ago.
The code is telling you that your catalytic converter (driver's side, I think) is bad. It's more than likely not bad.

VW put out a TSB on this a few years ago. TSB 05-13. The cause of the error code is basically an over sensitive ECU (computer of car/engine) and the fix is to have your ECU flashed with the latest and greatest software. Depending on your mileage they might do it under warranty - you'll have to check.

It's still possible that it might be a bad catalytic converter - and the dealership might try to tell you that either way. Call VW (1-800-822-8987) and ask them about the TSB (I couldn't find it online).

Tell the dealership you want the ECU flashed - it's much much cheaper than a cat. No sense replacing it if it's not bad
There is a federal warranty on catalytic converters - 8 yrs or 80k miles...

Hope this helps!
Please rate/vote for me!

Posted on Jul 18, 2009

Testimonial: "tx"

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SOURCE: 2003 VW Golf - O2 Sensor?

Honestly it is not very expensive to replace, but it is not extremely important. What it does is measure the oxygen/fuel level coming out of the engine. This tells the computer that the engine is either using the right air/fuel mixture or allows the computer to change the mixture slightly to allow the car to run properly. You could pull the sensor out and clean the terminal as it usually has alot of carbon build up due to its location, but this is normally a temporary fix. I hope this helps you with your problem.

Posted on Jul 23, 2009

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KEY WORDS to search for are
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or "keyless+module"

I only got hits back from eBay (& AMAZON)...
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Looks like
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also...
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Possibly AMAZON... (use your own module number)
EXAMPLE
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