Shady9503

So when priming the engine on my EQ 3.5 it works fine
but about half way through my tank, it was idling as i was talking to someone,
i noticed it reving a bit then stop and it kept doing it, i took the cover off and noticed fuel flow was slow, i turned off the car, and when i tried to start it i would prime and fuel would push back, i also noticed a hissing sound when trying to prime and when i took my finger off the exhaust the fuel would push back more, i took my exhaust line off blocked the exhaust and blew in, and i heard the hissing, any ideas guys?
any help would be appreciated thanks!

nitrosteve22

running to hot?

Shady9503

I think that might be it but im not sure, the temp gun i have is reading 195F-200F unless its broken and giving wrong readings?

Valgath

air leak somewhere can cuase that also

kelynsdad1023

prolly vapor locked ....blow compressed air directly on the carb see if that helps .

Dads like rc too

I agree with nitrosteve, When a hot engine is running at speed, fresh fuel is pouring through it quickly. When a hot engine is just sitting there idling, the fuel is going through much more slowly. The heat pushes the fuel out of the engine resulting in a stall. Thats when you run over to it, igniter in hand and notice the fuel line is empty. You begin to attempt to prime and then notice the fuel push back everytime you stop pulling the pull start. Once the engine cools it primes fine and starts.

nitrosportsandrunner

1st make sure it didnt just flood really bad.
either let it sit overnight and try again, or turn it over with the glow plug out and holdint the truck at an angle so that fuel can drain from the base and the muffler.

Shady9503

Thanks everyone for your help, im going to try it might be too hot simply a tuning issue, it does sound like its running a little lean ill work with it, also anyone know how to fix the air bubble problem? the earthquake seems to always get bubbles in the fuel lines causing it to stutter when the tank is near empty, aparently im not the only EQ 3.5 owner to experiance this lol