Constantly running fuel pump - Fixed!!

[SeaDweller]

I've seen quite a few posts relating to a problem that I also had, that being the fuel pump would run with the key on and the engine off. As I just figured mine out, I thought I'd post my results in case anyone still had this issue.

My problem was a bad fuel pump relay. When I went to remove it, the plastic "cap" came off, exposing the internal components. I looked closely at the contacts, and they seemed to be worn, with very little gap between them. I bent the tabs slightly to increase the gap, and the fuel pump circuit works perfectly now. I went ahead and bought a new relay, but if anyone is still having this problem, and the connection at the air sensor plate is good, try a new relay.

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Michael
'78 911SC Euro