Mercury Optimax 90 - 2012

by Kathy
(Acworth, GA)

Had an issue getting the 4 beep warning every 2 minutes. Took it into the shop and they ended up replacing the oil tank (that wasn't it) and the separator sensor (that stopped it). First day out on the lake - no problems. Second time - idling out of the marina and it shuts off and won't restart. Pulled it back to slip, pumped the bulb, and restarted.
Thinking maybe there was an issue with the fuel bulb/line I replaced it. Went out yesterday - idling through no-wake - it starts to idle too high. Coming back through the no-wake at idle it shut off and again, would not restart until the bulb was pumped very hard.
I think the mechanic took more apart than he should have - and I don't want to take it back to them unless there is no option.
Any ideas what is causing this? Once engaged it runs great - only idling is the issue currently.
Appreciate all ideas!

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