p0278 is the injector junk? - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 11-12-2009, 01:54 PM Thread Starter
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p0278 is the injector junk?

is that what this code means?, cylinder #6 contribution/balance. looking for any insight. the truck rough idles somtimes when i come to a stop.(shakes pretty bad) i usually have to gun it for awhile to clear it out. it did it worse on xtream street so i put it back to stock and it still does it.

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post #2 of 8 Old 11-12-2009, 05:10 PM Thread Starter
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ttt......................

studs,egr delete(sinister),dieselsite coolant filter, nuc oil bypass, dj's fuel + regulated fuel return, sct by eric, 4in silverline no cat, isspro gauges, cat elc coolant, hids, lots of other odds and ends......
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post #3 of 8 Old 11-12-2009, 07:24 PM Thread Starter
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anyone????

studs,egr delete(sinister),dieselsite coolant filter, nuc oil bypass, dj's fuel + regulated fuel return, sct by eric, 4in silverline no cat, isspro gauges, cat elc coolant, hids, lots of other odds and ends......
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post #4 of 8 Old 11-12-2009, 07:34 PM
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It most likely needs an injector. But you should check your fuel pressure, ficm voltages, and you can at the bare minimum inspect the wiring harness for chaffing. I like to current ramp the injectors with my osciliscope but you can use a meter if you want to check voltage to the injector. But yes it probly needs an injector.

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post #5 of 8 Old 11-12-2009, 07:42 PM Thread Starter
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fuel pressure is good 58psi i just replaced the ficm about two months ago. what should the voltage be? and what side is the number 6 injector on? ill probably just end up replacing it. thanks for replying to wewillie!

studs,egr delete(sinister),dieselsite coolant filter, nuc oil bypass, dj's fuel + regulated fuel return, sct by eric, 4in silverline no cat, isspro gauges, cat elc coolant, hids, lots of other odds and ends......
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post #6 of 8 Old 11-12-2009, 07:44 PM
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48V 20A. The number 6 is on the driver side second one from the back.

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post #7 of 8 Old 11-12-2009, 07:48 PM Thread Starter
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thanks again wewille, now to find an injector!

studs,egr delete(sinister),dieselsite coolant filter, nuc oil bypass, dj's fuel + regulated fuel return, sct by eric, 4in silverline no cat, isspro gauges, cat elc coolant, hids, lots of other odds and ends......
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post #8 of 8 Old 11-12-2009, 07:53 PM
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No problem, glad to help out hopefully it works for ya!! But like i said before most of the time it will need an injector, but sometimes its something else.

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