Question about 2004 Audi A4

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2005 A4 Transmission disengage on acceleration

I have had intermittent trouble--when I try to accelerate, the transmission drops out of gear (that's what it feels like).  I lose all drive power, though the engine is still on.  I pump the accelerator several times, the tachometer revs, and then the drive power kicks back in.  I might happen once in two weeks, or 6 times in 2 days.   It is nothing I can reproduce or predict.  
I have taken it to Audi twice and they can't seem to find it. They replaced the transmission controller in May but can't find any concrete correllation.  Can anyone suggest where to tell the techs to look? I was having the exact same problem with my 1994 A4 1.8T. Quite dangerous in fact, when the power cuts out in the middle of taking a left turn.... However, the problem was very intermittent.

Well, today, I started up the car - it idled fine but then no drive power at all. Pressing down on the accelerator produced nothing - in drive, neutral or reverse. Had the car towed to Audi - will know soon what they find....

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  • tim_0905 Apr 19, 2009

    I have a simillar problem with my 1999. There is one thing that mine does that you didnt mention. All of the gear lights on the dash are on (P,N,R,D,4,3,2). I am currently enrolled in a mechanics course. I brought it to school to see if my teachers could diagnose it. No such luck. We have been looking at it for 5 weeks. Help!! This is my daily driver.

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  • 345 Answers

Could be a brake light switch fault,be interested to know what they found.....vw specialist for 28 years, let me know what they find please

Posted on Jan 24, 2009

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