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I need some help whit a code exhaust gas recirculation

hi my name is *****...
hi my name is ***** ***** need some help whit a code exhaust gas recirculation differential pressure data erratic intermittent or incorrect code 1866 pid 411 I put new sensor still show me the code
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Answered in 1 hour by:
3/15/2018
Steven
Steven, Shop Foreman/Triage Tech
Category: Medium and Heavy Trucks
Satisfied Customers: 90
Experience: Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel
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Hello Gus, My name is***** you please supply me with the Make, Model, and engine you are working on? This will allow me to assist you better. Thanks

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Customer reply replied 4 months ago
2012 isx15 79663862

Okay thanks, ***** ***** have Cummins insite? I will attach an overview of this fault to explain a little more about it. Basically the egr flow reading is incorrect. On this fault it reads only at key on or it fails to read zero. This being a CM2350 usually has an issue with plugged ports below the EGR pressure Diff sensor, I would make sure you can blow thru them fine. Now this fault will also not clear itself and has a process it has to go thru for the ecm to turn the CEL off. The engine must be ran until the coolant temp is 154 degrees, then the key has to be shut off for 30-40 seconds and then turn the key back on and check the fault status. So there is a possibility the truck is actually repaired and it just hasn't went thru the verification process yet. Let me know if you have any other questions.

I'm an independent contractor and I don't get paid until a rating has been made.

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Steven
Steven, Shop Foreman/Triage Tech
Category: Medium and Heavy Trucks
Satisfied Customers: 90
Experience: Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel
Verified
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Steven
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Steven, Shop Foreman/Triage Tech
Category: Medium and Heavy Trucks
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