6.0 missing #2 imbalance code - Ford Powerstroke Diesel Forum
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Old 06-20-2011, 05:32 PM
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HELP! 6.0 DTC p0266 #2 cylinder contribution/balance

Hi all, I am still a newbie but have been lurking and soaking up all the information I can about my new truck. I purchased this thing about a month ago and love it...until now. I have been going through and doing all the fluids and filter changes....the typical preventive maintenance stuff. I just installed an Edge CS Evolution to keep an eye on the ECT/EOT temps, FICM voltage, etc. that seem to be the indicator of what to expect from these engines. All was going well, until I developed a miss last week. Upon doing a little more investigation, determined that my FICM had taken a dump as the voltage would fluctuate between 48v and 34v. I was getting a DTC P0266 #2 cylinder contribution/balance to go with the miss. The interesting thing is that the symptoms would come and go, let it sit overnight and it would run fine for a few minutes and start missing again.

I ordered a rebuilt FICM installed it tonight. Steady voltage at 48.5v constant, truck started and ran great. Thinking to myself this isn't so bad these 6.0 liter things.....and about that time it started missing again after running great for about 30 minutes. I am now at a little bit of a loss to which direction to go next and looking for some advice. This is my DD and need it back ASAP......any suggestions?

Last edited by forddieselfanatic; 06-22-2011 at 02:44 AM. Reason: incorrect DTC specified
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  #2  
Old 02-04-2012, 03:59 PM
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Rev x is what I'm trying first, before replacing injectors mine has Same code but no miss when driving

Last edited by Six_0; 02-14-2012 at 07:41 AM.
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Old 02-04-2012, 08:27 PM
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Cylinder #2 injector.
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Old 02-05-2012, 08:01 AM
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Rev x is on it's way here.
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Old 02-05-2012, 07:47 PM
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Quote:
Originally Posted by Six_0 View Post
Rev x is on it's way here.
let us know, rev -x didn't fix my #4 injector. I got a P0270 and P0272. Not trying to let the air out of your balloon. Good luck.
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Old 02-05-2012, 08:26 PM
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Quote:
Originally Posted by southend View Post
let us know, rev -x didn't fix my #4 injector. I got a P0270 and P0272. Not trying to let the air out of your balloon. Good luck.
I will post before and after videos
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Old 02-07-2012, 05:34 PM
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bump for update.
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Old 02-14-2012, 07:30 AM
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cleared the code and it has not came back yet.

here are the before and after cold starts only driven on revx for 50 miles



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