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Posted on Nov 26, 2017

I have a 2002 audi a4 1.8t quattro, when i turn on the alarm it beeps once and alarm set. Now it no longer beeps but alarm is still working, but it will randomly go off by it self, weird thing is no lights flash and it seems as if nothing has happened, only the alarm sound you can hear. Any idea what is wrong or how to fix?

5 Related Answers

A

Anonymous

  • Posted on Jul 28, 2008

SOURCE: alarm keeps going at random

I also had the same problem and mine too was usually because I had either a window or the sunroof slightly open. If it is summer and you need to leave them open slightly or if you have a pet in the car then heere is a great tip. There is a small square button near the bottom of the door pillar to the right of the drivers seat and if you press this before locking the car it will set the alarm for the whole car with the exception of the main cabin so movement will not set the alarm off. The locks, boot, ignition etc all stay alarmed until you switch it off.

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Marvin

  • 85242 Answers
  • Posted on Oct 08, 2008

SOURCE: Abs and stop lights are

These lights mean the ABS system has been shut off due to a fault, the brakes will fell fine but the ABS is not going to work if you need it until you fix the fault.

Anonymous

  • 8 Answers
  • Posted on May 09, 2009

SOURCE: audi a4 2.8 quattro idle valve

there is no carburetor on these cars , the idle air control valve is an easy thing to change it is on the passenger side near the firewall on the back of the engine buy the new one so you know what it looks like it has a wire connector on top 2 bolts and a gasket behind it just unhook it unbolt it remove the old gasket install the new one with the new gasket and plug it in simple there is no sealer required

Anonymous

  • 1586 Answers
  • Posted on Jun 01, 2009

SOURCE: beeping sound and flashing brake light

That is a sign that your ABS controller is failing - www.modulemaster.com can rebuild it and warranty it for you.

Anonymous

  • 1 Answer
  • Posted on Aug 19, 2009

SOURCE: Same thing happened to me!

your crankshaft positon sensor is defective. Replace it and the epc will never come back and no more dying out. this happened to me several times and it would just come and go. i replaced it and now the car starts right away and the epc light hasnt returned since

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