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Miss after Injector install

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Old Apr 11, 2021 | 02:16 PM
  #16  
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bstarz65
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thanks, I guess Ill see when the mechanic pulls the injector or whatever he needs to do to find out what is going on with cylinder 3. every thing I ran on forscan and torque point to that cylinder. with out having to pull the valve cover.
 
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Old Apr 11, 2021 | 03:35 PM
  #17  
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A few questions I need answered before the mechanic gets my truck so I know if he is going to charge me for a bad injector. first buzz test checked out ok. so can I assume the electrical side of things are ok? The oil fill cap stays put so no compression issues? there is still some fuel in coolant after he said he flushed. I removed about 1/4" of fuel twice. could this be part of the problem with no 3 being dead? all input on this would be helpful to see if its his mistake or just a bad injector. I know I should just go ahead and pull valve cover and check myself but already paid him for the work .
 
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Old Apr 15, 2021 | 10:21 AM
  #18  
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bstarz65
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Ok. got a call from mechanic and he pulled #3 and put it in #5 and the cct followed to #5 so I guess New injector is what I need, Called fullforce and their building me a injector at cost to me. When they get the old one back they will test and refund me for new injector if it is defective on their side. if it is trash or another reason other than on their side I will not get refund. I had asked how a rebuilt injector could fail and they said it was either trash that got into nozzle or defective nozzle. so anyway Ill have to wait on refund till they test injector. Also I'm still getting fuel in reservoir the mechanic said he is pressure testing cooling sys. don't you have to pull injectors? he just gonna put pressure to cooling sys, and see if it drops without pulling injectors.
 
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Old Apr 15, 2021 | 10:49 AM
  #19  
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Normally I would just do cups if you are having diesel in coolant. Pressure test at minimum, with injectors out. I cant remember if your shop did new cups already?

As far as the injector, don't let FFD bs you, thy habe that issue, it is more common then you think (hense why 1023 now sell unlimited injectors too)

I had no issues with timely refunds from FFD.

From what I could find on my issue, is the injector was operating "fine" but was out of spec, poppet was slamming the armature plate esoecially under wot icp, which the in turn transfered to solenoid, which pcm picked up as a high to low. Their flow bench cant puck it up since there is not a regular pcm to see this and trigger a code.

I had a tree by my house on a steep hill, my ses light would flash and code would show at that specific tree every single time I left my house....
They said they couldnt find an issue with injectors, I doubt they ever looked, just tossed em tin core pile to get worked and sent out again.
Ryan was honest, he said tgis does happen, and they had no way to see it on their flow bench, which is why they were working on getting a new one built.

​​​​​​
 
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Old Apr 15, 2021 | 11:30 AM
  #20  
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Yes he did the cups. anyway to prove the injector is bad? should I take closeup pictures of the nozzle? Bad enough I have to bite the labor that's not covered by warranty.
 
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