Question about 2002 Audi TT

2 Answers

Problems with battery

I have changed my battery twice due to the car not starting - but the problem persists. However while driving with my lights on - there is no loss of power.

Posted by on

2 Answers

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 5 achievements.


    An expert whose answer got voted for 20 times.


    An expert who has answered 20 questions.

  • Expert
  • 94 Answers

You may have a current draw. it means when ignition is off someload drainning the battery. to check this disconnect the negative and with ign off install an ampmeter between battery terminal and post. it shoul not read more than 0.4 amp. if it does you have a draw. rate me. good luck

Posted on Jan 29, 2009

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Expert
  • 247 Answers

Two strong possibilities:

One is that the alternator isn't charging the battery. Stick a voltmeter across the battery while the engine is running. If it's showing less than 13-and-a-bit volts, you need to get your alternator seen to. (try this shortly after you've started the engine, and be careful not to rev the engine before taking your meadurement - there are some interesting alternator faults where it won't kick in until it's been spun at speeds above idle, but then appears to work perfectly)

The other is that something isn't switching off properly and is flattening the battery while it is parked. I once had a courtesy light hidden away in a glove box that got stuck on and caused me grief for weeks before I finally spotted it one dark night. You might try disconnecting the battery negative (with the engine stopped) and putting a multimeter on "amps" between the removed negative and it's terminal. View anything over (say) 100 mA with suspicion. You could then try to narrow it down by pulling fuses to see what makes the current go away.


Posted on Jan 29, 2009

1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

2004 murano

Temporary fix until you find someone who knows.
When you pull into your place to park the car for the night, or whatever, go ahead and unhook the battery. Re-hook up the battery when you are ready to drive it again. That will at least keep you from not driving it at all.

Jan 12, 2013 | 2004 Nissan Murano

1 Answer

My 92 volvo 240 has been sitting outside all summer. i have started it a few times and went to start it today. it won't do anything. what could be the problem and a solution?

"It won't do anything" means that there are no dash lights, no buzzers, nothing?
Any car has very slight electrical drains when it is shut off. For one thing, the clock is running, but there are a number of other tiny loads as well. With a good battery, you should be able to park a car for six months to a year and still start it.
However, if you start the car several times without running it long enough to recharge the battery, or if the drain is larger than it should be due to electrical problems or aftermarket accessories, you can get a failure to start.
Unfortunately, maintanence-free batteries don't tolerate being run completely dead very well, and many owners have unhappily found that draining an older battery once or twice was the last straw that ended their battery's life.
I suggest that you borrow a charger or a set of jumper cables to start the car, and drive it 30 minutes or so to fully charge the battery. If you have more problems, get the battery load tested at a shop that sells batteries to see if it is still OK.

Jul 27, 2011 | 1992 Volvo 240

1 Answer

Alternator and electrical problems ive changed alternator twice,now clicking noise under dash bat. light comes on and dash lights flicker

check all battey connections and system grounds. Check that the battery has 12v and holds properly when load tested. To check charging system, don't disconnect any battery leads...put a volt meter across the battery. when running, you should have at least 12.9v and volts should not drop. (usual reading is generally at or near 13) at idle with all accessories on voltage should be close to that as well. voltage should not exceed 14.Also make sure that drive belt is not slipping.

May 12, 2009 | 2003 Ford Focus

2 Answers

Will not start

Service light can be due to misfiring in one cylinder, discharged battery, or faulty O2 sensor. Start from battery (you can try jump start) to distributor cap/wiring/spurk plugs/alternator. Also check fuel lines (fuel injectrors, filter, pump). If no help check O2 sensor and coolant temperature sensor.
Please kinly let me know if you would need more info
Good Luck

Feb 23, 2009 | 2001 GMC Yukon XL

2 Answers

04 Grand am Weird starting patterns

First Check the Fuel Filter and the Belt Tension. Let me know what you Find.

Jan 22, 2009 | 2004 Pontiac Grand Am

1 Answer

Service engine soon light is on constantly.

ALTENATOR AND BELT PROBLEMS: I would assume that someone has c hecked the battery. A dead cell will shorten the life of the alternator..If the plug( at the alternator) is the least bit shakey, replace it. Check all grounds, engine to firewall, engine to frame, engine to battery, frame to radiator support, and the alternator plug, again.
CAR STALLS/DIES/LACK OF POWER: Have your mechanic inspect and clean the throttle body and the idle control motor. When these parts get dirty with carbon and debris they will cause erratic idle and dying at stops and low speed complaints.
CRUISE CONTROL AND BRAKE LIGHTS: First, check the obvious. Blown fuses? Check brake lights -- if both are blown, the system won't work. Also look for any disconnected vacuum lines in the engine compartment.


Dec 30, 2008 | 2001 Nissan Sentra

Not finding what you are looking for?
2002 Audi TT Logo

164 people viewed this question

Ask a Question

Usually answered in minutes!

Top Audi Experts

Colin Stickland
Colin Stickland

Level 3 Expert

22082 Answers


Level 3 Expert

74418 Answers

Thomas Perkins
Thomas Perkins

Level 3 Expert

14030 Answers

Are you an Audi Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides