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IH 454 Gas - Carb, Choke, and Fuel pump problem?
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Posted by Ken C on April 13, 2004 at 06:44:53 from (192.11.222.120):
Completed a tune-up on a IH 454 gas tractor..
Replaced points, condenser, plugs, rotor, distr,
and plug wires. Also replaced leaking intake/exhaust manifold gasket. Tractor now hits on all 4 cyl. and IDLES great. Here's the problem now.. The engine will NOT run
at increased throttle or under any load, with the choke FULLY open. Unless the choke is about half-closed, the engine will die unless you reduce the throttle back to idle. My limited knowledge tells me that the carb is not getting enough gas/pressure from
the fuel pump when the throttle is increased.
There is a small gas leak in the fuel pump, and
I have ordered a new/rebuilt one. Not sure if this
will fix this problem, however. Any other ideas ? or things to check are very much welcomed !!!
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