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Unread 11-19-2012, 06:00 PM   #1

Name: mikezinwv
Title: United Newb
Status: Offline
Join Date: Nov 2012
Location: West Union, WV
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Your Ride: 1997 318i
1997 318i stalls after 3-5 minutes, won't start for 15-20

We had warnings and electrical issues from the start on this project, replaced battery and all warnings and lights went away. We start it up OK, it runs for 3-5 minutes (depending on idle or under load) then sputters and dies. It will not restart for 15-20 minutes. Checked for plugged CAT, no problem there. No major issues we can speak of and when running, the engine purrs right along. Exhaust seems a little weak coming out the tail (that's why we suspected CAT initially), but with O2 removed in front of CAT to remove pressure, it still stalled out in 5 minutes at an idle.

Any Ideas? Thinking sensor or fuel at this point.
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