Technical > Spud Miller's Cave

Hard to start

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spitzerscott:
Just looking for suggestions on what would make a N/A Mechanical Fuel Injected, Alcohol engine hard to start?  I know there will be lots of questions, I installed an on board primer system and still need to prime it.  Looking for your help.

Curly1:
They can be a pain in the tail even with a primer system. It took me a while to get my primer set right and the timing on it right to make it start. Now I have to hit primer for about 3 seconds and then hit starter switch and it will fire but will not stay running with out primer until pump kicks in about 5 to 10 seconds. I tried gasoline and E-85 but plain old alcohol seems to work best in my primer system.
It just takes a little time to get it set up right.

dreracecar:
When was the last time the pump was serviced???  Will it light on gas???, has it started before and this is a new issue??? Does it light and then just quit or does nothing??? Is there fuel in the tank???

ricardo1967:
I had a hard start case once that was caused by a debris keeping the bypass from seating. Of course I screwed up part of my tune until I found the root cause...

Paul New:

--- Quote from: ricardo1967 on April 18, 2016, 09:31:04 PM ---I had a hard start case once that was caused by a debris keeping the bypass from seating. Of course I screwed up part of my tune until I found the root cause...

--- End quote ---

I had the same issue come up on my idle bypass in my early days of injection. Pressure check all your check valves make sure they are pointed in the correct direction also

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