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1995 GT 40 Fuel pump

M

Mark Presley

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Intermittently my GT 40 will c

Intermittently my GT 40 will crank but not start. I have determined the fuel pump does not run up prior to cranking at times. I have replaced the relay to no avail.
 
Yes when the pump runs. It se

Yes when the pump runs. It seems whatever signals the pump is not working.
 
When it operates proprely it d

When it operates proprely it does run for a couple of seconds. Some of the time it never runs.
 
"Some e-pumps are wired throug

"Some e-pumps are wired through the oil pressure switch with a bypass setup for starting the motor--the carb tends to dry out during off hours. Others have no bypass at all, so you have to crank the hell out of the motor until the oil pressure comes up THEN turns on the fuel pump. Yours sounds like the latter.

Try temorarily jumping the oil pressure switch and see if the pump runs. If not, jump right to the pump and try that.

Jeff"
 
"The ignition switch is sendin

"The ignition switch is sending current through every time, so I think I can rule that out. What is NSS?"
 
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