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I have a Audi a4 Quattro. The check engine light is on while I drive. When I am at a drop light,it cuts off. But it starts back up again. Sometimes it jolts like it want to cut off while driving. What should I do?

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  • Cars & Trucks Master
  • 660 Answers

Most auto parts stores will scan the computer for free to tell you what is causing the check engine light.
They will give you a code. (eg. P0304 or P1402, etc)
You can then google that "P code" and you will have the cause of the problem.
Sounds like a throttle position sensor to me, but without the code, I can't say for sure.
Let me know what the code is and I'll try to help more.

Posted on Jan 19, 2013

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Posted on Jan 02, 2017

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SOURCE: 2005 Audi 1.8 a4 check engine light on and car now spudders??

FYI also when you get those codes you can look them up and get their description at http://www.check-engine-light.com

Posted on Jan 03, 2009

j_del
  • 1586 Answers

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

  • 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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