Cm2350 leak down failed
12-15-2023, (Subject: Cm2350 leak down failed ) 
Post: #14
RE: Cm2350 leak down failed
I also have a cm2350 Cummins ISX15 that fails that injector leak down test horribly, I timed it for a minute and it dropped from 29,200~ to about 4,000 psi. I guess my main question is what are the consequences of running it like this? I don’t have any check engine light or rough idle or bad fuel mileage or any of the other symptoms i have heard other people having with way less of a drop than mine has. My demandate tune is Rawze approved, and also I replaced that check valve at the end of the rail already, and fuel pump was changed with OEM rebuilt about 200,000km ago. I change oil and sample at 500 engine hours and my fuel dilution is always less than 0.1%. I have ordered 3 of the cummins fuel rail plugs and do plan to test the injectors eventually, just not getting the whole picture of the severity of the excessive fuel pressure drop I guess. If someone can explain it to me would be great! Thanks.
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Messages In This Thread
Cm2350 leak down failed - Tony - 10-25-2023,
RE: Cm2350 leak down failed - Canadian Trucker - 12-15-2023



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