Question about 2002 Audi A6

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02 audi A6 The car jerks with RPM up and down when put in gear. It doesn't do it in Park. What do you think?

The problem just started. The car jerks with RPM up and down when put in gear. It doesn't do it in Park. It stops once over 30 MPH. Any ideas? Thank you!

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  • 161 Answers

Change the transmission fluid. VW says "lifetime fluid" but it needs to be changed at least every 80,000 miles. I used valvoline maxlife, it is synthetic and met the vw spec.

Posted on Feb 15, 2014

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Posted on Jan 02, 2017

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SOURCE: brakes grindind at low speed

Sounds like your getting abs activation when its not needed. Most likley one of the wheel speed sensors has failed. You do need to have a scan tool to read the live data from the abs module as the problem is occurring to pinpoint which sensor is faulty. The abs light will not come on because the abs module thinks its just working normally. I'm an ASE certified mechanic and have seen this problem many times on various vehicles. You might have to pay somebody to diagnose it, but replacing the sensor it a very easy task. I hope this helps.

Posted on Jan 27, 2009

  • 1986 Answers

SOURCE: 2004 Audi A4 1.8 - jerks/jolts while accelerating from 0-20 mph

It sounds like there may be an issue with your ignition system.

Check the ignition wires, distributor cap, spark plugs.

Posted on Sep 09, 2009

  • 123 Answers

SOURCE: audi a4 1.8t starting problem

Will be the temp sensor (NOT FOR THE TEMP GAUGE!) the one that tells the ECU the engine is cold! when in this mode in cold the ECU sends more fuel to the cylinders this is known as fuel inrichment.... this is an fuel injection system's equivelent of an old choke. some systems us a separate injector in the air box of the manafoud,But this is more on old systems like Boch K-Tronic e.t.c. O.K.?

Posted on Mar 09, 2010

Testimonial: "Thanks for advise. This does not seem to be temp related. Problem can occur in hot or cold weather and any time of the day. It is intermittent."

SOURCE: 1999 AUDI A6 avant 2.8L quattro. Car vibrates

Check your ignition coils. I had the same problem on my 2002 Audi a6 3.0 quatro. Tiptronic transmission. I was driving down the road and all if the sudden the car started vibrating violently to. I thought I had a flat tire so I pulled over and checked but there was no flat tire. The more I accelerated the more it would vibrat. Changed my ignition coils and the problem went away.

Posted on Jun 24, 2013

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