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1999 Audi A6 95k miles Throttle Body Issues P1545

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Old 06-16-2008, 01:04 PM
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Default 1999 Audi A6 95k miles Throttle Body Issues P1545

I have a 1999 Audi A6. I was experiencing some problems with it where it would not let me go past 20mph. Recently I had to jump my car several times and I think it was the battery that caused it so I replaced it. But now the car dies suddenly after i start it up. I get a P1545 check engine light code which I know that code points to Throttle Position Controller Malfunction. So I bought a used Throttle Body from the junk yard and that didn't help. I don't know if that was bad also.

I have also tried to do a throttle body adaptation manually but everytime i try to erase the Check engine light code (with my obd II reader) it is still there. I even tried to remove the battery for 30 minutes and it wouldn't remove.

I then turned my key to the on position for 20 minutes and turned the key off and back on....Still nothing...

I am stuck on this...What do you guys suggest?

Also can someone give me instructions on how to do a throttle body adaptation with the VAG-COM?

Thanks!
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Isaiah Littlebull (07-29-2020)
Old 06-16-2008, 01:28 PM
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try doing a bit of searching....there's a few posts about this
Old 06-16-2008, 01:31 PM
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Default Re: try doing a bit of searching....there's a few posts about this

I did do a search guy. How do you think I got those ideas????
Old 06-16-2008, 01:33 PM
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Default Re: try doing a bit of searching....there's a few posts about this

....change the subject line, makes things a bit easier to follow
Old 06-16-2008, 01:37 PM
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Default I had a similar problem this weekend...

But on my jeep. It threw a code for the throttle position sensor. I dont recall if it is a similar mechanism on the 2.8, but it was a 10 minute DIY to get the thing back up on my jeep v8. Just a sensor that plugged into the side of the throttle body.

As Press said (like usual), search. Your answer is out there.
Old 06-16-2008, 01:38 PM
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Default instructions for TBA from Ross-Tech

<a href="http://www.ross-tech.com/vag-com/cars/throttlebody.html">http://www.ross-tech.com/vag-com/cars/throttlebody.html</a>

Hope that helps...
Old 06-16-2008, 01:39 PM
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see what searching gets you
Old 06-16-2008, 04:32 PM
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Default the sensor is not sold seperately

You have to purchase the entire throttle body on this car.
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Old 06-16-2008, 04:37 PM
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Default Well that sucks.

Good luck.
Old 06-17-2008, 03:54 AM
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Default Sometimes you can open up the throttle position sensor area and "adjust" the

spring-fingers of the sensor so they make better contact with the carbon tracks on the ciruit board, if that is indeed the problem. This saved me from having to buy a new throttle body for my VR6 engine.
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