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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Do I need some new injectors?

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Old Jun 24, 2015 | 04:14 PM
  #1  
Macrosill's Avatar
Macrosill
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Do I need some new injectors?

I made some videos this morning while running some power balance test on my truck. All these were at idle. If I turn any injector off the engine misses and stumbles. As soon as I turn it back on it smooths out. Some are a bit lower on the test but does that mean they "must be replaced" or they "should be replaced" or I would not worry too much about them at this point? Sorry about the glare in the videos.

I also did a Relative Compression test.

What is your opinion?




 
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Old Jun 24, 2015 | 04:16 PM
  #2  
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WatsonR
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I would think if I turned an injector off and the trucks idle got rought, it was doing its job.... if you turned one off and nothing I'd be worried.
 
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Old Jun 24, 2015 | 11:37 PM
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Yahiko
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I don't see any deep dips but #4 is not the happiest camper out there.
Looks like most settles down once warmed up.

If you look at mine you can see that #7 & #8 are unhappy.
Both were replaced this last spring. Truck runs better.
I really need to do a new scan and post the trace.



Sean
 
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Old Jun 25, 2015 | 12:25 AM
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Those injectors don't look bad at all. They aren't the best, but definitely not ready to be replaced IMO. Trying some archoil with fresh Rotella T6 should help.
 
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Old Jun 25, 2015 | 07:10 AM
  #5  
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Macrosill
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Thanks for your opinions guys. I will drive on and just keep tabs on them.
 
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Old Jun 25, 2015 | 08:34 AM
  #6  
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CPB1
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Originally Posted by Macrosill
Thanks for your opinions guys. I will drive on and just keep tabs on them.
That's what I would do.

.
 
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Old Jun 25, 2015 | 05:46 PM
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You may want to try the Archol in yours.

Sean
 
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Old Jun 25, 2015 | 06:24 PM
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Macrosill
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Already in there. After the oil cooler swap I put in T6 5w40 with a bottle of Archoil 9100.
 
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