Question about 2003 Audi A6

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Hesitation when starting

When i crank the car up its hesitates, then i would have to crank it again when it starts up it then idles a litlle bit above 1 and then it acts as if it never happend and continues to ride smooth i only wanted to know whether it was a big problem or one than can be taken care of eventually cause i just purchased this car .

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  • Audi Master
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Put the battery onto a battery charger. It sounds like the cold cranking amps capacity of your battery is low. Starting a car that is cold and sat, is ******* the battery. The next cranking is easier and the oil has been moved and things are now lubricated. That car should be on its third battery for a 2003, and I bet it is the second. You are looking at a new battery every 5 to 7 years depending on make and how it was looked after.

You can also make sure that the battery terminals and clamps are clean and not oxidised. Make sure you keep power to the system, with using a battery charger or use a length of wire wrapped around the battery terminal and the battery lead, otherwise you will have to re-pair the chips in the antitheft system.

Posted on Nov 26, 2017

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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pippall

Philip Long

  • 1486 Answers

SOURCE: Flat spot on acceleration

The fuel injector nozzle is partially blocked.Add fuel additive to clean the injector nozzle

Posted on Jun 07, 2009

chhouk ek

  • 74 Answers

SOURCE: Audi A6 Hesitates to start

Check your fuel injector fuel regulator. more likely the injector are leaking .

Posted on Aug 03, 2009

j_del

Jeremy Dellow

  • 1586 Answers

SOURCE: cranks but no start

The coolant temp sensor is notorious for failure on these cars and can cause all kinds of weird issues. It's only a $20 part and is fairly easy to change. Start with that and see what happens. If it doesn't fix it, post back up and we'll go from there.

Posted on Nov 09, 2009

Anonymous

  • 5 Answers

SOURCE: 2004 A4 1.8 with about 36000 miles. car hesitates and vibrates

Are you getting a trouble code?

Posted on Nov 22, 2009

Jonah Oneal

  • 14092 Answers

SOURCE: hesitation in acceleration with no check engine light

MOST TIME CAR STUMBLE OR HESITATION ON ACCELERATION YOU.HAVE A SLIGHT LEAN FUEL MIXTURE.CAUSED BY STOPPED UP FUEL INJECTORS OR FUEL FILTER SLIGHTLY PLUGGED.

Posted on Jun 07, 2010

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1 Answer

Hesitates on acceleration


Does the car always hesitate during acceleration? If it ALWAYS struggles when it starts or ALWAYS hesitates on acceleration then I would say the issue is fuel delivery. If the problems are more intermittent and come-and-go then it could be an electrical issue.

I would start by changing the fuel filter. Changing plugs, wires, cap, and rotor are all good things to do as your budget will allow. I doubt you will have to change your injectors.

If you end up replacing any rubber fuel line, be sure to use the high-pressure stuff made for use on fuel injected cars.

I hope this helps! -Nick

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