I went to help a friend with her little red 93 850. She shut it down in a parking lot, came out and only cranked but wouldn't start. I told her to get it home and I would come look at it. When I got there, I turned the key on to listen for the fuel pump and heard a loud whirring/grinding noise in the vicinity of the battery but lower. Is there an air pump on the 93? I have an 97 with an air pump problem but it won't keep it from starting? I can't for the life of me think what this noise is coming from. I checked for fuel pressure in the rail...check, I checked for spark at a plug...check. I checked codes in box A and got 1-1-1 for both tests. I am stumped.
Mark, 240's and 850's
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