Hi everyone my fuel pump is not priming or running on my m50. just put the motor back in from a rebuild. I have changed the ecu, fuel pump relay and checked grounds and I'm at a loss. The fuel pump kicks on if you bridge the relay with a piece of wire. any ideas?
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Fuel pump not working
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Are you sure the relay isn't busted? Swap in a new one.1988 Atlantisblau Euro/Japanese 325i Cabriolet
1989 Schwartz 325i - now M50 powered! - now very dead
1998 Toyota 4Runner Limited
My 17,000km Big NA National Parks trip!
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So I tried new relay, new ecu, and new cam position sensor. Also confirmed the wire to the ecu for relay ground is good. Im not really sure what else it could be. When i jump the relay the pump runs strong.
edit: Installing crank sensor tomorrowLast edited by tnicholls; 05-29-2018, 08:20 PM.
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