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Always needing starting fluid to start Merc engine

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We have a Mercury 200 OB engine that ALWAYS seem to need starting fluid to start the motor even though it's a later model, fuel injected engine. I'm assuming no choke, since it's fuel injected but might there be some sort of primer solenoid that needs to be engaged when starting the motor?

Compression check was okay, primer bulb feels good but it just cranks unless it gets a shot of starting fluid. Thoughts anyone?

TIA
 
No the motor should just start no choke or primer on a FI model. Maybe a temp sensor or low fuel pressure will need to diagnose. I wouldn't use starting fluid to start your motor it has no lubricant and can damage the bore.
 
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