International Dt466 Engine Symptoms Diagnostics Priming Fuel System Fuel issue. on top of the filter screen area of your primer pump there is a plug. remove the plug and there is a check ball. these check balls can be a problem (older ones fall apart) and can be easily replaced with a new upgraded check ball. reply like. Posted august 9. the fuel goes through the primary filter to the transfer pump. (suction side) then fuel goes back to the secondary filter then to the main pump. (transfer pump pressure side) there should be a way to check transfer pump pressure but i have never done it.
Dt466 Fuel Line Diagram Headcontrolsystem The fuel system in dt466 engines is complex, and diagnosing issues within it requires a systematic approach. common problems include clogged fuel filters, issues with the fuel injectors, or problems with the fuel pump. symptoms of these issues can range from engine stuttering to a complete failure to start. the first step in diagnosis is often. • if unit was run out of fuel, make sure the fuel system was primed. see “priming the fuel system” in section 4 (page 132) for procedure. • see “combustion leaks to fuel” in section 4 (page 104) if all three of the following conditions are noted: • fuel system will not prime • white to black exhaust smoke • pulsating fuel pressure. 1999 dt 466e in an international 4700. starts and idles fine. drive it a few hundred feet it starts sputtering. hit the schrader and lots of air comes out before you get solid stream of fuel again. pulled tank, pickup tube is fine. vent is ok. changed primary filter. still getting air. Fuel system issues injector problems. the injectors in the dt466 are critical for its operation. when they malfunction, symptoms like rough idling, power loss, and increased fuel consumption are common. regular maintenance and timely replacements are crucial to avoid these issues. fuel filter and line blockages.
International Dt466 Engine Systems Fuel Supply System Fuel Flow 1999 dt 466e in an international 4700. starts and idles fine. drive it a few hundred feet it starts sputtering. hit the schrader and lots of air comes out before you get solid stream of fuel again. pulled tank, pickup tube is fine. vent is ok. changed primary filter. still getting air. Fuel system issues injector problems. the injectors in the dt466 are critical for its operation. when they malfunction, symptoms like rough idling, power loss, and increased fuel consumption are common. regular maintenance and timely replacements are crucial to avoid these issues. fuel filter and line blockages. Chassis: international. engine: 345. look on the left front of the engine intake manifold and you'll see a schrader valve that is on the high pressure fuel rail. try pressing that in to let out any air in the system. without a laptop and diag software that is about all i can suggest. The bleeder is one place, or possibly the filter itself. you could pressurize the tank with 3 5 pounds of air. that would generally expose leaks. dale. my daily driver:67 f100, 300 4v, cammed, 4 spd. or, 08 subaloser forester, 2" lift. work rigs: 94 ih 4900, dt466 (originally 230hp), #0 fuel plate, tighter gov springs, 22* timing.
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