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560 SEC Supercharged(sold), E55 AMG, Renntech CL600 Bi-turbo, Porsche 928
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Faulty intercooler pump. Do a search for the retrofit of a Johnson intercooler pump.
 

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Registered
560 SEC Supercharged(sold), E55 AMG, Renntech CL600 Bi-turbo, Porsche 928
Joined
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1,989 Posts
if the pump is bad, does it give any fault codes? is it easy to change?
Mine never gave fault codes. It would just cut the power at odd times. I made the mistake of getting the replacement from the dealer. From what I've read, the retrofit is very easy.
 
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