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So a few weeks ago I was getting said code every few days at start up. I would get rid of code by pulling fuse 6 and it would reappear in 2 or 3 days. I cleaned the contacts on the 2 computers in the passenger footwell and checked wiring. I replaced the fuel pump relay and cleaned those contacts. I even swapped my 951 ecu with a 561 that I had in inventory. Code kept coming back (but car was running fine). I did have a few drops of moisture up in the footwell but only a few drops after a heavy rain on the exterior casing of the computers, not enough to even get carpeting wet. My last action was to take a tiny screwdriver to the female receptacle which accepts the fuel pump relay so that I would be sure that solid contact was being made with the 6 prongs of the fpr. It's been over a week and the light has not come back on. Now it has also been dry for the last week. So if light comes back on after heavy rain I'll probably have this mouse cornered. Thanks all for the help and hope this helps someone.