6.0 rough running blowing black and blue smoke - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 04-29-2013, 10:48 AM Thread Starter
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6.0 rough running blowing black and blue smoke

Im new to the forum and i was looking for some help. i have an '05 f250 that has an egr delete and new oil cooler. recently it startin misfiring and blowing lots of smoke so i assumed it was the injectors. i did a cylinder contribution test and #7 was bad and #3 was weak. i put in a new injector and nothing changed. i tested the ficm and it had 48 volts while running. i brought it to the dealership they told me it past the compression test and i had gotten a bad injector. so i returned that injector and put in a new one, it still runns the same. i know my batteries are bad i dont know if that has anything to do with this problem. any ideas would be greatly appreciated
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post #2 of 5 Old 04-29-2013, 11:06 AM
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Are you geting misfire codes too? You should replace those batteries before you smoke a FICM . It's likely to be a stiction issue, but an answer to my first question will help iron that out. You could always take it back to the dealer and tell them you replaced the bad injector and still have the same issue. Could be that you got a tech that likes to throw parts rather than diagnose the problem


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post #3 of 5 Old 04-29-2013, 03:40 PM Thread Starter
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ive tried several times but we arent getting any codes. i called the dealership and they said i could bring it back in but they would have to charge me again. they originally wanted $2500, for the 2 injectors, 2 batteries and the fuel pressure regulator. im glad i didnt spend all that money just to have them tell me it wasnt the problem

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post #4 of 5 Old 04-29-2013, 04:17 PM
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bad batteries = bad FICM readings even if you have correct voltage. on top of that..bad batteries will fry a FICM ($500) in a second. buy yourself 2 new batteries if you know yours are bad...and see how it does. You're not just throwing money at the issue if you know you have a failed component. Batteries can kill a 6.0. I learned that the hard way

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post #5 of 5 Old 04-29-2013, 04:26 PM Thread Starter
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thanks i appreciate the advice
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