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Old Mar 24, 2008 | 05:09 PM
  #1  
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Injectors Question

I have a early 99 7.3 and had some stalling issues while driving that i hoped were part of my new CPS recall as it has been happening since the new gray CPS went in. I took it to the dealer and they scaned up P0269 and P0284. They suggest to replace #3 and #8 injectors to start. They also found my chip and removed it as possible cause of my instant stallinf issue. An O2 sensor failure also came up that i expect was to do with my 60 econo chip.

My question is this, the truck starts great always and never has shown so much as a hicup or a miss. Now they say the injectors need to be done, however i feel no symtoms of injector issues at all? 600$ per injectoe and 9 hour labour at 98.50 /hour is around 2000 bucks for two injectors. Could i buy aftermarket injectors and do all of them rahter than ford replacing just two? What would be sufficent for my needs as far as injectors go? Thanks again.

Sure is a dog without that chip in there, however my stalling has gone away for now?
 
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Old Mar 24, 2008 | 05:18 PM
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I would say you could do alot better than that.If that is really your issue.Maybe its just the uvc harness.i don't know but someone with better knowledge will be here soon.So in the mean time I'd like to welcome you to the forum.
 
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Old Mar 24, 2008 | 05:25 PM
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From my understanding, when injectors start to go bad you have symptoms like excess smoke, especially on startup or cold starts and possibly Lack of power. They dont just go bad and need to be replaced. If a Ford Dealer told you this then they are probably wrong, especially if hes not a diesel tech.
 
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Old Mar 24, 2008 | 05:27 PM
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What chip were you running? It may have been that the chip had come loose on the PCM.
 
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Old Mar 24, 2008 | 05:41 PM
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I did not even know i had a chip until i took the truck in in, oops, newbie! The chip is gold and has xle4 written on it in white felt, no other markings. I am in BC Canada so i don't know who would make it? I thought it was a stock ford part?

The service manager said the chip was loose in the pcm and may cause the stalling. Should i reinstall it? Would the chip give those injector codes The lack of power is not so cool.
 
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Old Mar 24, 2008 | 05:51 PM
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I would say if the truck is starting and running fine then more than likely it was the chip. I assume that everything is fine now with out the chip other than having stock power? I think but not positive it is a superchips they are gold.

You can put the chip back in but make sure it is in there good or the same thing will happen again.

If everything is ok with the truck I would get a better chip for it just my opinion.
 
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Old Mar 24, 2008 | 06:00 PM
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I am amazed every time at how quick you guys respond, so helpful, thanks again, very cool site. I am very open to suggestions. Should i worry about what the dealer said about the injectors?
The most i tow is a 5000 Pound boat for my fishing charters. The power with the chip suits me fine, however a programmer would be nice. I will hit the search function and surf it up.
 
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Old Mar 24, 2008 | 06:07 PM
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I'd get out of that shop. Your truck does not have an O2 sensor. And you can buy new injectors for $200/ea, not the reman ones from Ford but the original supplier Alliant Power ones. A bad injector will not cause it to stall either. You'd need at least 4 completely dead ones to not be able to run at all.
 
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Old Mar 24, 2008 | 06:09 PM
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If you are set on keeping that mystery chip I would make sure to get it in their snug and wrap some tape around the PCM over the chip to make sure it stays in their firmly or you could have this problem again.
 
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Old Mar 24, 2008 | 06:15 PM
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They informed me that there was no o2 sensor on the powerstroke. I was and maybe still am having intermitent stalling isue while driving and or at idle. It will shut down with no warning as if the ignition was shut off. Sometimes it will go for days without doing it,not a miss, other times twice a day. Scary when on the hiway and it does it. Takes a long time to stop it and pullover wher it restarts right away. The cps recall was done at the dealer and i have had trouble ever since. I even installed a new black cps to isolate the new grey one being the issue. Still does it with the black one. Im hoping my chip being loose was the issue? Not fun resorting to the dealer and being told your #3 and #8 injectors are toast. My 9 pin connectors look good to.
 
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Old Mar 24, 2008 | 07:26 PM
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From my understanding, when injectors start to go bad you have symptoms like excess smoke, especially on startup or cold starts and possibly Lack of power. They dont just go bad and need to be replaced.(quote)

sorry ill have to disagree on that,they can and will go bad without any symptoms!(but it will be big time bad)
 
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Old Mar 24, 2008 | 07:41 PM
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Hi tailspin, i am from BC also, you know those harnesses under the valve covers are notorious for going bad but i might change that cps one more time. The harness uvc is not that difficult to change and they have improved the design so they will not come loose. There is also a good link on this site explaining how to replace powerstroke injectors, i think its called beans diesel.
 
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Old Mar 24, 2008 | 11:13 PM
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If removing the chip cured the issue, I would say it was a loose connection to the PCM.


However, if your truck misses or stumbles anymore, I would start leaning towards the UVCH. THey are prone to failure and fairly easy and inexpensive to replace.
 
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Old Mar 24, 2008 | 11:33 PM
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I don't think, like 99% sure, even two bad injectors will cause the truck to stall, or even the uvc. Just run like crap. JMO, but I think you have an electrical issue whether timing or at the pcm or idm. It sounds to me like the truck quits firing.

Having said that, have you checked the oil level, how old is it and what grade? Also, make sure the fuel system is up to snuff. New filter, good fuel, and good pressure at idle and under load. Then we are back to the electrical thing.
 
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Old Mar 24, 2008 | 11:36 PM
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Originally Posted by Tenn01PSD350
I don't think, like 99% sure, even two bad injectors will cause the truck to stall, or even the uvc. Just run like crap. JMO, but I think you have an electrical issue whether timing or at the pcm or idm. It sounds to me like the truck quits firing.

I completely agree, Mike.
 
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