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Boat stalls under load- starts right up

Posted: Sat Jun 18, 2022 6:55 pm
by SAB220
2004 350 mag

ideas? I don't have a oil pressure switch only a sender and sensor. I'm going to dump and inspect the contents of the fuel filter but filled up before launch and vent works fine. Hoping somebody else experienced the same problem. Thanks

Re: Boat stalls under load- starts right up

Posted: Sun Jun 19, 2022 8:19 am
by SAB220
It seems to be stumbling at low speeds (RPM). I'm going to put another set of plugs in maybe a cap/rotor if I can do it in the water. I'll report back. thanks

Re: Boat stalls under load- starts right up

Posted: Sun Jun 19, 2022 6:32 pm
by Big Block Power
SAB220 wrote: Sun Jun 19, 2022 8:19 am It seems to be stumbling at low speeds (RPM). I'm going to put another set of plugs in maybe a cap/rotor if I can do it in the water. I'll report back. thanks
Check the coil too. Plugged fuel filter?

Re: Boat stalls under load- starts right up

Posted: Sun Jun 19, 2022 7:56 pm
by dustinm
IAC valve sticking?