Maxxforce high pressure fuel pump replacement

Oct 12, 2017 · So if you see rail fuel pressure no quite meeting desired and your fuel pressure control percentage is below or near 20%, the fuel pump is likely worn out and needs replacement. BUT, if during all this the low pressure fuel delivery is lower than about 60 psi, you have base fuel delivery problem.

Aug 21, 2013 · The low pressure fuel system consists of a low pressure fuel module, primary and secondary fuel filters, fuel cooler and a self priming electric fuel pump. As with all EPA compliant diesel engines an aftertreatment system is placed in the exhaust system to capture soot and other particulates before exiting into the atmosphere.
Navistar: 2010 maxxforce 15 high-pressure (hp) fuel pump replacement. Some hp pumps for certain maxxforce 15 engines can develop a leak during operation rendering the pump to be less effective or inoperative.

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Conditions to start include: good battery voltage at the ecm and starter, engine rpm a minimum of 130 rpm although I like to see 150, engine oil pressure, oil supply to the high pressure oil pump, ICP during cranking above 650 although spec is higher.

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Maxxforce high pressure fuel pump replacement

Jul 09, 2016 · In servicemaxx you can see the pressures and how the pump is commanding itself to achieve those pressures. During a hard pull the fuel rail will reach 32000 psi. The engine will command this and also measure actual pressure. You can plot a graph and watch rail fuel pressure desired against actual and it better match.

8 ®2010 MaxxForce DT, MaxxForce 9® and MaxxForce 10® Engine Training Program High Pressure Oil Reservoir and Pump The fuel system high pressure pump requires lube oil to operate. An oil reservoir for this pump is formed by the two halves of the front cover. The volume of oil is continuously maintained by the lube oil pump as the high
When the high pressure pump feeding the common rail starts to fail it puts metal filings in the common rail. As much of the fuel cools the injectors and returns to the fuel tank, the filings will eventually make their way to the fuel filter. The trouble starts when a filing jams an injector partly open and it starts overfueling that cylinder.

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Oct 12, 2017 · So if you see rail fuel pressure no quite meeting desired and your fuel pressure control percentage is below or near 20%, the fuel pump is likely worn out and needs replacement. BUT, if during all this the low pressure fuel delivery is lower than about 60 psi, you have base fuel delivery problem.

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