Help!!! Cummins isx 500

Moving on RC · Mar 26, 2012

YES I did fix my my unit PDI Has the right ideal but it cost Thousands of $ around this area it $10,500 . The box is the way to go if you do not want to spend a lot of money. Thanks RC

freightrunner · Mar 30, 2012

Try changing the fuel and air filters if that doesn't fix it try the intake.

James453 · Apr 5, 2016

NEWMAN67 said: ↑

I have a 2006 isx cummins 500 that is driving me nuts. Here is what the problem is, i lose power when pulling hard and on takeoff. Blows lots of black smoke. So far i have changed the egr valve and cooler, exhaust pressue sensor, cleaned all sensors and tubes. new turbo actuator and speed sensor, today KW of PA did a egr test, air to air test,and an overhead adjustment. they checked the fuel pressure and it was good. they found air the fuel line so they by passed the delvco 382 and the air went away. so they figure its the delvco 382. they left it by passed because they didnt have one in stock. on the way home it was still smoking and losing power and lag when pulling hard. turbo boost is 35lbs on a good day, but it drops down real quick to 20lbs around 14hrd rpms the slowly picks back up to 30 when pulling. running out off options, and also the pocketbook is getting low,any help would be greatful.
Click to expand...

James453 · Apr 5, 2016

NEWMAN67 said: ↑

I have a 2006 isx cummins 500 that is driving me nuts. Here is what the problem is, i lose power when pulling hard and on takeoff. Blows lots of black smoke. So far i have changed the egr valve and cooler, exhaust pressue sensor, cleaned all sensors and tubes. new turbo actuator and speed sensor, today KW of PA did a egr test, air to air test,and an overhead adjustment. they checked the fuel pressure and it was good. they found air the fuel line so they by passed the delvco 382 and the air went away. so they figure its the delvco 382. they left it by passed because they didnt have one in stock. on the way home it was still smoking and losing power and lag when pulling hard. turbo boost is 35lbs on a good day, but it drops down real quick to 20lbs around 14hrd rpms the slowly picks back up to 30 when pulling. running out off options, and also the pocketbook is getting low,any help would be greatful.
Click to expand...

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