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hydro-therapy
09-26-2007, 12:59 PM
89 ProStar 190 w/ indmar engine, stumbles out of hole, new 4160 carb, new new fuel filter, gets worse the longer it runs, any ideas?

mayo93prostar
09-26-2007, 01:06 PM
fuel pump going bad, carb adjustment, plugged screen in fuel tank pickup, dirt in anti-siphon valve on top of gas tank, ... others should be along to help too.

alp
09-26-2007, 01:06 PM
Idle mixture screws. May be set to lean.

Chas
09-26-2007, 01:30 PM
Distributor advance sticky.