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Good morning, my name is ***** ***** am I speaking with?
Do you have the actual model number on the engine? (there is no such thing as an aq 217)
A 271 is a carbureted engine. You said MPFI... is the engine no longer original?
Is it actually port fuel injected (PFI) with 8 injectors? Or is it a TBI system, with a throttle body injection unit that sort of looks like a carburetor?
Step 1 would be measuring fuel pressure to see if it I maintaining somewhere in the low 40's, or if it is dropping. Is that something you can do?
Yes. It would have to be done with the boat in the water and at the highest speed it will go. What you want to do is see if the fuel pressure holds 40+ as it stalls. Or if fuel pressure drops right down as it stalls. Do that and let me know what happens.
You are very welcome.
Hello, just checking in. Any progress?