P0266 injector? - Ford Powerstroke Diesel Forum

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post #1 of 5 Old 04-22-2013, 01:25 PM Thread Starter
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P0266 injector?

I started having a rough idle problem on and off a few days ago. No codes then. Today it started cutting out during acceleration. It seemed to clear up after the truck warmed up and just bucked a little bit during idle. I scanned it again tonight and pulled P0266 for #2 cylender contribution test fail. FICM is new, voltage is good, and nothing else out of the ordinary. It seems like that injector is probably bad to me with the current symptoms. I've read a few threads saying to do an oil change and add some rev x (never tried it, but I do run synthetic oil). I'm about 500 miles from a service, so I planned on doing one anyways, but not replacing the injector seems like this would just be a band aid if that's the problem. Any thoughts? Also, I found a diagram that says the number 2 injector is the front on the drivers side, can anybody confirm that?

2006 F350 Lariat Crew

MBRP 4" Turbo Back Exhaust
Sinister Coolant Filter
EGR Delete
BPD FICM
High Idle Mod
Blue Fuel Pressure Spring
CCV Reroute
Fisher 8.5' Extreme V Snow Plow
SCT X3 Custom Tuned by Gearhead Automotive Performance

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post #2 of 5 Old 04-23-2013, 03:19 AM Thread Starter
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Bump for the day. I'm changing the oil and filters tomorrow. I ordered rev x too, just trying to decide to pick up an injector or not.

2006 F350 Lariat Crew

MBRP 4" Turbo Back Exhaust
Sinister Coolant Filter
EGR Delete
BPD FICM
High Idle Mod
Blue Fuel Pressure Spring
CCV Reroute
Fisher 8.5' Extreme V Snow Plow
SCT X3 Custom Tuned by Gearhead Automotive Performance

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post #3 of 5 Old 09-30-2013, 06:06 PM
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Did you ever come to find out what the problem was? I'm having the same issue


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post #4 of 5 Old 10-01-2013, 11:32 AM
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843powerstroke- you check codes? Whats your symptoms?


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2003 Silver 6.0L PSD CC/SB FX4
EGR Delete, Oil Cooler upgrade
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post #5 of 5 Old 10-06-2013, 06:27 AM Thread Starter
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It was an injector. I ended up changing them all. Had two go on the other side right after I changed this one.

2006 F350 Lariat Crew

MBRP 4" Turbo Back Exhaust
Sinister Coolant Filter
EGR Delete
BPD FICM
High Idle Mod
Blue Fuel Pressure Spring
CCV Reroute
Fisher 8.5' Extreme V Snow Plow
SCT X3 Custom Tuned by Gearhead Automotive Performance

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