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Discussion Starter · #1 ·
Hello everyone,<p>I live in Germany and I own a 1990 740 GL with B230F engine and LH2.4. Injection. Unfortunately, my 561 ECU has quit working and the car does not start since I last turned the engine off.<p>I have read that the 561 ECU is not the most reliable one. Does anyone know which ECU types are the most reliable ones? Can anyone tell me, if I can use another ECU model?<p>Would be great, if someone is able to help me out.<p>How much do you pay in the US for a redone ECU or for having it repaired? I have no clue, what these prices might be in the US.<p>Thanks<p>The_German
 

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Re: ECU Bosch No. 561 (The_German)

Welcome to Swedespeed, Tobias.<p>Here are the 740 ECU applications...<p><A HREF="http://www.scribd.com/doc/3698830/Volvo-740-ECU-Application" TARGET="_blank">http://www.scribd.com/doc/3698...ation</A><p>Let us know which ECU's apply to your car then we will go shopping.<p>George Dill
 

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Re: ECU Bosch No. 561 (gdill2)

Hello George,<p>thank you for your reply. The list is exactly what I´ve been looking for. It says that I can use a 951 instead of my 561. I read in the maintenance FAQ, that the 951 is also more reliable.<p>It would be great, if you found out some prices for me.<p>Thanks<p>Tobias<br>
 

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Re: ECU Bosch No. 561 (The_German)

<A HREF="http://cgi.ebay.com/ebaymotors/Volvo-240-Main-fuel-ECU-0-280-000-951_W0QQcmdZViewItemQQ_trkparmsZQ7c301Q3a1Q7c293Q3a1Q7c294Q3a30QQ_trksidZp4634Q2ec0Q2em14Q2el1262QQhashZitem27a871d1bfQQitemZ170329756095QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories" TARGET="_blank">http://cgi.ebay.com/ebaymotors...ories</A><p>George Dill
 

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Re: ECU Bosch No. 561 (gdill2)

Hey George,<p>thanks for your help. I´ve bought a used 951 from a Volvo enthusiast over here in Germany and the car runs just fine. And it runs even faster than before. The 951 is Bosch´s direct successor to the 561 and you can just replace your 561 with a 951 via "plug-and-play". The 951 is both more reliable and has a better engine management software. <br>So, upgrading to a 951 is a good investment.<p>Next month, my Volvo has to go through the 2-yearly safety and technical check, which is mandatory in Germany. I hope they won´t find any serious problems.<p>Regards<p>Tobias
 
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