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i need some help here someone anyone.. i purchased the truck used in november with 99k on it, stock, had a list a mile long of service history at the dealer so i thought i was in the clear. fast fordward to now 111k and 6 injectors later, basicly one every other month sometimes 2 at a time. thankfully the truck is not my main means of transport otherwise it would be gone by now. I have put a 4in exhaust, blue spring,SRL tune, scanguage, changed fuel filters, twice now with ford filters, and revx treatment.

I no longer trust the dealer to fix it properly so Im hoping i can get somewhere on here to get to the bottom of the issue. they have been great at eating the bill each time its in for work but Ive had enough, I need the truck to run properly for snowmobile season where it will see 6-7k miles of use for the season. hopefully someone can point me in the right direction
thanks
 

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I realize you said you have the blue spring update, but you need to verify your fuel pressure.

Sent from my phone that somebody didn't help me get.
 

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ok, what would be the best way to do that? cheap auto meter guage? different dealer? snap on mac etc? I have no problem wrenching on it just want to go about it the right way
 

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I no longer trust the dealer to fix it properly
:hehe::hehe::hehe:
This is the same reason I joined powerstroke.org :thumb:



Anyway...Their is no factory sensor for fuel pressure but their is a port on the fuel pressure regulator to install a sensor to read the pressure. Unfortunately, I don't think the ScanGaugeII supports adding secondary sensors. Personally I would ditch the ScanGaugeII and get an Edge Insight CTS with the Edge Accessory System (EAS) to allow you to connect multiple, additional accessories like Fuel Pressure and EGTs (both VERY important to watch).

What kind of oil are you running? I saw you ran Rev-X but are you running a 5W-40 Full Synthetic? Also, do you use any kind of fuel treatment or cetane booster?

Our injectors are controlled by oil so needless to say oil is crucial in these trucks. The new USLD doesn't have much lubrication in it so a good fuel treatment of some sort will do your injectors good :thumb:

I run Shell Rotella T6 5W-40 Full Synthetic with ArchOil AR9100 and use Stanadyne Performance Formula as a cetane booster with Synthetic 2-Stroke Oil for lubrication. My current truck has 91K miles on original injectors and my old 6.0 (totaled) had 60K on original injectors :thumb:
 

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ok, what would be the best way to do that? cheap auto meter guage? different dealer? snap on mac etc? I have no problem wrenching on it just want to go about it the right way
I got the adapter fitting m12x1.5 from glowshift. Just put I it here in the fuel bowl housing....


Then hook a hose and guage up and run it up to your windshield. All of this is temporary of course.

Sent from my phone that somebody didn't help me get.
 

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Discussion Starter #6
:hehe::hehe::hehe:
This is the same reason I joined powerstroke.org :thumb:



Anyway...Their is no factory sensor for fuel pressure but their is a port on the fuel pressure regulator to install a sensor to read the pressure. Unfortunately, I don't think the ScanGaugeII supports adding secondary sensors. Personally I would ditch the ScanGaugeII and get an Edge Insight CTS with the Edge Accessory System (EAS) to allow you to connect multiple, additional accessories like Fuel Pressure and EGTs (both VERY important to watch).

What kind of oil are you running? I saw you ran Rev-X but are you running a 5W-40 Full Synthetic? Also, do you use any kind of fuel treatment or cetane booster?


Our injectors are controlled by oil so needless to say oil is crucial in these trucks. The new USLD doesn't have much lubrication in it so a good fuel treatment of some sort will do your injectors good :thumb:

I run Shell Rotella T6 5W-40 Full Synthetic with ArchOil AR9100 and use Stanadyne Performance Formula as a cetane booster with Synthetic 2-Stroke Oil for lubrication. My current truck has 91K miles on original injectors and my old 6.0 (totaled) had 60K on original injectors :thumb:
diesel kleen w/ cetane boost, rotella 15w40 dino oil, we get it bulk at my work so its "free"
 

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are you loosing multiple injectors on one cylinder OR are you just replacing them one at a time?

The latter is fairly normal for your mileage and usually caused by a lack of maintenance. If you are losing multiple injectors on one cylinder in a short amount of time then the root cause needs to be identified
 

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are you loosing multiple injectors on one cylinder OR are you just replacing them one at a time?

The latter is fairly normal for your mileage and usually caused by a lack of maintenance. If you are losing multiple injectors on one cylinder in a short amount of time then the root cause needs to be identified
different cylinder every time
 

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That's not totally unheard of then. I have seen more than a few vehicles that would have benefited from 8 new injectors.
 

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Sometimes free isn't always free. Bulk fuel in tankage has a bad habit of forming an alge if they aren't treating the tank for this you can be getting alge and really fine sand/rust particles that will pass right thru the filter but will be stopped by the screen on the injector itself plugging the screen assumeing they havent fell out, a fairly common occurance. These conditions will kill injectors. You can try ordering a smaller micron filter and see if that helps.
 

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Sometimes free isn't always free. Bulk fuel in tankage has a bad habit of forming an alge if they aren't treating the tank for this you can be getting alge and really fine sand/rust particles that will pass right thru the filter but will be stopped by the screen on the injector itself plugging the screen assumeing they havent fell out, a fairly common occurance. These conditions will kill injectors. You can try ordering a smaller micron filter and see if that helps.
I think he was talking about bulk dino oil, rotella........

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rotella 15w40 dino oil, we get it bulk at my work so its "free"
dino is prone to causing injector issues on the 6.0
I also get free Dino and filters at Jiffy lose

I do not use it ,, all oil changes come out of my pocket
Rotella T6 and Motorcraft filters for me
 

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Discussion Starter #14
I think he was talking about bulk dino oil, rotella........

Sent from my phone that somebody didn't help me get.
yes bulk oil not diesel fuel, i will search around for a guage and go from there.. not looking forward to 2 more injectors but if thats the case than so be it
 

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dino is prone to causing injector issues on the 6.0
I also get free Dino and filters at Jiffy lose

I do not use it ,, all oil changes come out of my pocket
Rotella T6 and Motorcraft filters for me
:agree:

Get that dino zhit out of there and replace it with some good T6 :thumb:

Running Rev-X in dino oil isn't even as good as running syn-blend. It sort of cancels each other out. Now some full syn with Rev-X or ArchOil AR9100 is like liquid gold :thumb:

Where are you getting your injectors at? Warren diesel will upgrade all 8 of your injectors to "stock+" for $750 and fix any broken ones for a little extra. You might want to consider doing that.

From WarrenDiesel's website...

"Got high miles on your stock injectors? Getting bad fuel economy? This is a mild upgrade we do. High mile injectors suffer from low pop off pressure. We test and reset pop off pressure and do some internal modifications to the injector to increase fuel flow. We do not put new nozzles on these injectors. You get back what you send in. We can fix bad injectors at an additional cost."

Hope you can get all this sorted out.
 

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Discussion Starter #17
:agree:

Get that dino zhit out of there and replace it with some good T6 :thumb:

Running Rev-X in dino oil isn't even as good as running syn-blend. It sort of cancels each other out. Now some full syn with Rev-X or ArchOil AR9100 is like liquid gold :thumb:

Where are you getting your injectors at? Warren diesel will upgrade all 8 of your injectors to "stock+" for $750 and fix any broken ones for a little extra. You might want to consider doing that.

From WarrenDiesel's website...

"Got high miles on your stock injectors? Getting bad fuel economy? This is a mild upgrade we do. High mile injectors suffer from low pop off pressure. We test and reset pop off pressure and do some internal modifications to the injector to increase fuel flow. We do not put new nozzles on these injectors. You get back what you send in. We can fix bad injectors at an additional cost."

Hope you can get all this sorted out.
injectors are new from the dealer, theyve been putting them in free of charge since i only have 11k on it since purchasing it, just got it back a week ago from them for a #7 injector, went out to take it into town for groceries and it started the usual slight miss when warm at 1500-2k so i know another one dropped out
 

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injectors are new from the dealer, theyve been putting them in free of charge since i only have 11k on it since purchasing it, just got it back a week ago from them for a #7 injector, went out to take it into town for groceries and it started the usual slight miss when warm at 1500-2k so i know another one dropped out
Well in that case see if you can get Ford to replace the 2 injectors that haven't already been replaced and follow all the recommendations above and you shouldn't have any more problems :nod:
 

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Well in that case see if you can get Ford to replace the 2 injectors that haven't already been replaced and follow all the recommendations above and you shouldn't have any more problems :nod:
I agree, and check your fuel pressure, before your dealer stops putting in free injectors.

Sent from my phone that somebody didn't help me get.
 

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I wonder what exactly they mean by "pop off pressure"?

The amount of pressure required to unseat the pintle? That is interesting. I never thought too much about what would happen if the pintle return spring weakened
 
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