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I have 2005 isx cummins engine in semi truck had no change

Customer Question
exaust sencor great power turbo...
I have 2005 isx cummins engine in semi truck had no change exaust sencor great power turbo cycle as should on idle now I don't have power and cold black smoke pours out exaust when ecelerate
Submitted: 1 year ago.Category: Medium and Heavy Trucks
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11/23/2015
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago
Jeremy
Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 3,393
Experience: ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician
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My name is***** will assist you.

Did you have any codes? What exhaust sensor did you change out?

What is your engine serial number?

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Customer reply replied 1 year ago
Exhaust gas sensor next to thermostat engine seriel no. Is I think79098053
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

Have you tried the MAP sensor that is in your intake tube between the filter and the charge air cooler? It is what can casue the turbo to not power up properly giving black smoke.

Same as the boost sensot on the intake manifold, driver side. It will do it as well.

A bad EGR on that engine will do the same thing and cause exactly the symptoms you have.

Without you specifying a engine code, it can be a number of things. The question is waht sensor is reading the fault and creating the issue...

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Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

Did you have any codes or there are none showing?

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Customer reply replied 1 year ago
No codes
Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

You will have to connect up Cummins Insite and see what inactive codes are stored in the ECM as well as monitor all your sensors to see what exactly the truck is doing.

There are too many variables going on with so little information that has been provided to me.

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Technician: Jeremy, Certified Truck/Bus Technician replied 1 year ago

I see you viewed this and this is still showing as a open question due to no positive (3 stars or more) rating.

Did you still need assistance with this?

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Jeremy
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Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
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