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MP 7 fuel issue


CCMtruck

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I need a fuel guru! I'm working on an 2012 LEU613 with an  MP7. The fuel pressure starts off great (55psi) but under a load it drops (12 psi). To make a long story short. I have already replaced fuel filter housing, fuel pump and conical injector cups. I have even gone as far as replacing the suction fuel line because i was running out of ideas. I though i had it cured because the fuel pressure returned but slowly started dropping. The engine never dies, it just doesn't have power. 

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On 6/25/2019 at 3:35 PM, CCMtruck said:

Update: Just like steeler said. I found aluminum pieces in the inlet side of the ecm cooler plate. Its the simple stuff we forget sometimes.

Good deal. Glad you found the problem!

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