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Discussion Starter · #1 · (Edited)
i have a 07 dodge 3500 cab and chasis 6 sp. i havent hadf it about 3 months all the egr and dpf are gone it run fine but now it started running rough it started throwing codes p0 205 which is no. 5 injector so i took it to shop they said yea thats whats wrong replaced runs no different now there saying ecm is bad 2500 more dollars we will fix it wellany way i went and got the truck does anyone think this could be my problem a new ecm the mileage has just went down a little it seems like it is almost misssing by the waY 205 CODE STILL COMES UP IS THERE ANY WAY FOR SURE I CAN TELL IF IT IS THE ECM. ALSO EVER SINCE THE LIGHTING BOLT light came on it has been running like this
 

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Are you using a tuner to clear codes or reload a tune. Is the crossover tube installed properly
 

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Yes i can clear codes i have a max energy tuner on it i checked all the resistors on the dpf deletei everything will go off but the lighting bolt get to aboot 1500 rpms and it seems to smooth out when you shift gears you can tell its not right i tried another ecm with the same part num. but it wouldnt even start the truck does anyone know if i can have the used ecm programed to work on my truck
 

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How can u swap ECM wo changing the Vin number??? U have to calibrate and change vin in the ECM. I must try with something like new harness. Or maybe the swap injectors and never put a new one. Another thing is if u have one injector bad with high mileage that f... The others too.
 
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