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SF31SONIC

08-13-2006 07:12 AM

engine just shut off

yesterday running about 4000 rpm one of the engines just shut off,it did start back up, and about 5 minutes later shut off again,these engines are 454 efi magnum mpi,i know it was hot yesterday in florida,but could it be a vapor lock?

DRIVEN1

08-13-2006 08:30 AM

Re: engine just shut off

Quote:

Originally Posted by SF31SONIC

I thought vapor lock could only happen if you shut the motor off and then tried to restart it shortly after. I don't think it could happen while the fuel was being sucked thru the motor.

HighPriority

08-13-2006 08:38 AM

Re: engine just shut off

We had the same thing happen to us in a race in St Clair, and a kill switch had a short.

GOODT

08-13-2006 10:04 AM

Re: engine just shut off

it could be one of many thing, we need to narrow it down..... first lets see if it starts and runs today then we can go from there.....what yr boat, mtrs

SF31SONIC

08-13-2006 04:01 PM

Re: engine just shut off

the boat is a 1997 31 sonic with 97 7.4 efi magnum engines (mpi)

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