Question about 2002 Audi A4

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Audi a4 cutting out when i switch on car and loads of black smoke

Wheni switch on my car sounds fine for a few seconds but engines start rattling and car cuts out and there is loads of black smoke what could the problem be has my head gaskets blown

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  • Mikey Mulvihill Jan 21, 2013

    I drove the car this morning and it was driving perfect and there is no engine management light on i really dont know what it could be,im baffled!

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Seems like you are having turbocharger problems the rattling may be coming from your turbocharger as well as the smoke may be the oil which the turbo its burning as it touches your hot manifold, hope this helps you .

Posted on Jan 25, 2013

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Posted on Jan 02, 2017

j_del
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SOURCE: audi a4 engine management light

Go to AutoZone or Advance Auto Parts and have them scan the ECU (they do it for free, where a shop will charge you). They'll give you the codes, and you can post them here. Once you do that, I can help you narrow it down.

Posted on Aug 07, 2008

SOURCE: audi a4 problem

I had this problem with my old Audi 80 and basically it was a knackered fuel pump. If your car is a few years old avoid the main Audi dealers and take it to an independant Audi/Volkswagon specialist and you will save a small fortune.

Posted on Jul 28, 2008

  • 449 Answers

SOURCE: 2006 Audi A4 - I have an ECU code P0299 -002 lower limit exceeded

You have to pull the code to know what's wrong, do you have any drive ability problems?how different is the car driving after the light come on?

Posted on Dec 22, 2008

chain saw
  • 94 Answers

SOURCE: Electrical problem Audi A4

ELECTRONIC STABILITY PROGRAM ( ESP) LIGHT FLASHES TO INDICATE UNSTABLE DRIVING CONDITIONS....WHICH WILL ALSO COME ON IF YOUR ENGINE IS MISFIRES.. CHECK THE COILS AND SPARK PLUGS FIRST THEN GO FOR FUEL..INJECTORS...FUEL FILTER CHOKED..HOPE I WAS OF SOME HELP TO YOU..

Posted on Feb 23, 2009

  • 24 Answers

SOURCE: Car starts ok then cuts out

HI,HANNAH,I SUSPECT YOU HAVE AN IMMOBILIZER PROBLEM.IF THERE IS A ORANGE LIGHT FLASHING ON THE CLUSTER WITH AKEY IN IT THEN IT IS THE IMMOBILIZER.THE PROBLEM WOULD MORE LIKELY BE THE DATA FROM THE KEY IS NOT GETTING TO THE IMMOBILIZER CONTROL UNIT,USUALLY A BAD CONNECTION AT THE READER COIL ON THE IGNITION.YOU MUST CLOSE THE TERMINALS SLIGHTLY AND INSULATE THE WIRING SEPERATELY.ANDY

Posted on Mar 19, 2009

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1 Answer

Ive gota 2006 audi a4 sline when a oil pressure light came on it stil drives does not rev over 2000 revs and throws alot of black smoke owt what isit


Black smoke is a sign of excessive fuel, there is something wrong with the fuel injection or one of the sensors which is sending an incorrect signal to the unit, perhaps it is still inn start enrichment. The oil pressure switch could be linked to the start system and the switch is either faulty or the engine oil pressure is failing.

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I hope that you had the proper weight oil installed, at your oil change. If your oil is up to the proper level, and it's rattling ,this is VERY bad. White smoke usually means steam in the exhaust, and that means a blown head gasket. Check your coolant level. I wouldn't drive it anymore......until someone knowledgeable can diagnose it!!!!!

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I had a similar problem on my Audi A4 1.8T after three seperate trips to different garages I was told I needed a new ignition and it could only be re-coded at an Audi dealer - was told it would cost in the region of £500. As the car was not worth much more than this I did a little research myself and found that the ignition key may have been intermittenly losing its code (as sometimes the car would start ok) I had a new key cut at my local key specialist at a cost of £20 and its been fine ever since (that was over 2 years ago)
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1 Answer

A4 warm start up problem


It is very likely that you are having an air leak. Any uncontrolled air getting into the intake side can cause this problem. Audi is well known for vacuum problems. I was the southern technical specialist for Audi for 6 years. If you have a vacuum test pump you can do some testing yourself but to be honest there are so many little hoses on that engine that you most likely not get to them all. I would suggest you go to your mechanic and see if they can perform a smoke test on the system. Many shops have a tool that can inject smoke (like a smoke machine at the club) into the system and locate the leak rather fast then.

Nov 01, 2008 | 1998 Audi A4

2 Answers

Audi a4 problem


I had this problem with my old Audi 80 and basically it was a knackered fuel pump. If your car is a few years old avoid the main Audi dealers and take it to an independant Audi/Volkswagon specialist and you will save a small fortune.

Jul 07, 2008 | 1996 Audi A4

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