1989 4.3L merc dies out

Keith Turner

New Member
Jul 25, 2020
13
Boat Info
1989 sea ray Seville cuddy cruiser
Engines
4.3l merc
Have a 89 Sea Ray Seville w 4.3L I/O .
After crushing for 30-40 min . Engine seems to misfire , backfires then dies . Have to wait 30 min and it starts up again. Only to repeat the cutting out after another 30 min .
I have replaced the fuel pump, , filter and a few other things . I am not sure how to fix this . Any suggestions are Welcome .

Thanks
 

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