ECU issues

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rbroederer

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	ECU issues « on: August 10, 2016, 02:06:46 PM »

New to NefMoto. I have a 2000 Audi A6 2.7T Quattro Tip. The car runs great...for 5 minutes. Then it goes into limp mode and gets an error message that says "ROM error". If I drive the car and turn it off every 4.5 minutes it runs great. I talked to the people BBA Remanu and they said they couldn't fix it. The ECU I have is a Bosch 4B0 907 551 L. I recently bought a used one and was going to have it programed. Any thoughts.


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nyet

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	Re: ECU issues « Reply #1 on: August 10, 2016, 02:10:10 PM »

Quote from: rbroederer on August 10, 2016, 02:06:46 PM

Is the ECU stock?


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rbroederer

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	Re: ECU issues « Reply #2 on: August 10, 2016, 02:13:50 PM »

Yes, both the old unit and the new used unit are Bosch (0 261 206 562) 4B0 907 551 L.


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vwaudiguy

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	Re: ECU issues « Reply #3 on: August 10, 2016, 02:36:06 PM »

I say definitely ECU. Not too much hassle to swap it out and see. That would be my first step.


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rbroederer

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	Re: ECU issues « Reply #4 on: August 10, 2016, 04:41:45 PM »

Quote from: vwaudiguy on August 10, 2016, 02:36:06 PM

I say definitely ECU. Not too much hassle to swap it out and see. That would be my first step.

I have a used ECU. Do I have to have it programed for my car? If so, where can I send it? The car is in Las Vegas Nevada. Thanks in advance.


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nyet

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	Re: ECU issues « Reply #5 on: August 10, 2016, 04:44:45 PM »

Have you read any of the flashing threads?


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rbroederer

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	Re: ECU issues « Reply #6 on: August 10, 2016, 05:07:31 PM »

Quote from: nyet on August 10, 2016, 04:44:45 PM

Have you read any of the flashing threads?

I came to the site looking for answers and wasn't sure I had the right place. I will look at the flashing threads. My problem is I am in Ohio and I had to put the car into storage in Las Vegas. Now I want to fly in and pick it up. I want to make sure I can plug and go. Sorry if that sounds lazy...


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nyet

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	Re: ECU issues « Reply #7 on: August 10, 2016, 05:13:37 PM »

You may have immobilizer problems if you try to plug and go an ECU from another car...


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