P0267/0269 codes and misdiagnosed injector - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 10-19-2012, 03:11 PM Thread Starter
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P0267/0269 codes and misdiagnosed injector

Okay, so I wanted to pass on my recent experience in case someone else has these codes pop up. First I will state that my troubleshooting was solid up until the point that I failed to properly inspect the pins on my injector harness.

Quick version of this story is this;

Last week I accomplished my oil cooler replacement and when I put it back together the truck started popping P0267/0269 codes (cylinder #3 issues) and running like crap. My batteries were showing low voltage (10-11.5v) so I figured I needed new batteries and maybe had caused a FICM problem. Since I am moving (now) in three days I have no time for dragging this out so bought new batteries, a new OEM reman injector and sent my FICM to Ed at ficmrepair.com for upgrade and Atlas 40. I also installed new injector O-rings, dummy plugs and stand pipes while I was at it. Those all got installed earlier this week except the FICM.

Fast forward to today. I already installed everything but the FICM so I was pretty optimistic. At noon today I got my FICM back and buttoned up the truck. Once it turned over it still popped the same codes and still ran like total crap. I was fit to be tied, so I took it to the Ford dealer for their techs to look at it.

It turns out the culprit was a female pin on my injector harness got pushed into the connector and I never knew it.

Moral of the story: Make sure you thoroughly check your injector harness for chafing AND for pin damage.

I hope this helps prevent someone from spending time and money on an injector they don't need like I did.

Patriot likes this.

2004 CCSB Lariat, 2WD
PMM Coolant Filter, EGR cooler welded, blue spring, Super chips 1805 (on performance), Atlas 40/FICM (by ficmrepair.com) and other random Ford updated parts.
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