6.0l injector failure
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6.0l injector failure
Thanks in advance for any help, great info here. I'm working on a buddy's 2007 F350 that the dealer refused warranty work with no maintenance history at Ford. We service the thing regularly with ford products but its all on a general invoice through the company and they don't believe it. Oh well the report is 2,3,7 injectors, egr valve, egr cooler, oil cooler and ficm update. Problem is rough running cold start, trans won't shift when cold, we got the bulletproof egr and oil cooler kit. My question is what actually fails on the injector or can I remove it and just clean the nozzle in an ultrasonic bath. ( I do r&d on larger diesel engines and we do this regularly when they are down on power) if the spool valve fails can they be purchased. The ficm update is it a reflash or replacement. Again I know this is my first post but you guys have done it all, I am also wondering if I should clean the rest of the injectors if I replace the 3. Thanks Tony
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Joined: Mar 2007
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From: Claremore, OK
I'd say welcome to FTE, but it says you have had an "account" here for a few years. Welcome anyway is what I say.
The injectors aren't serviceable like larger diesel engines. I don't think you can buy any parts for the injectors...outside the o-rings and crush washer. Usually when they have a failure it's internal to the injector. Better off getting remans for the truck. Did the dealership tell you the injectors were/are bad or did y'all figure this out some other way?
My question is what actually fails on the injector or can I remove it and just clean the nozzle in an ultrasonic bath. If the spool valve fails can they be purchased. The ficm update is it a reflash or replacement. Again I know this is my first post but you guys have done it all, I am also wondering if I should clean the rest of the injectors if I replace the 3.
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Dealer said they were failed, runs ok when hot just cold start rough running there were misfire codes but they didn't put them on the work order. I guess we need to get an up to date scanner for Ford. Does this year have the ficm solder joint failures or just earlier. The truck has 160,000 kms (100,000) miles. To clean the nozzle we just suspend the injector with only the nozzle in the bath. Thanks again.
Last edited by luvsno; Dec 13, 2011 at 11:14 PM. Reason: update
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Thanks in advance for any help, great info here. I'm working on a buddy's 2007 F350 that the dealer refused warranty work with no maintenance history at Ford. We service the thing regularly with ford products but its all on a general invoice through the company and they don't believe it. Oh well the report is 2,3,7 injectors, egr valve, egr cooler, oil cooler and ficm update. Problem is rough running cold start, trans won't shift when cold, we got the bulletproof egr and oil cooler kit. My question is what actually fails on the injector or can I remove it and just clean the nozzle in an ultrasonic bath. ( I do r&d on larger diesel engines and we do this regularly when they are down on power) if the spool valve fails can they be purchased. The ficm update is it a reflash or replacement. Again I know this is my first post but you guys have done it all, I am also wondering if I should clean the rest of the injectors if I replace the 3. Thanks Tony
Oh man, there's so many wrong things in this that I don't even know where to start.
First off and most importantly, if it's under warrenty and they won't honor it he either voided the warranty somehow (hard to do) or you need to call Ford and make them honor it. Doing your own services aren't a legit reason to not honor a warranty.
Cold start problems are not novel and are easy to cure with thinner oil such as 5w-40 and the latest inductive heat flash. You might have bad injectors but it's far cheaper and easier to try new oil and the flash before digging in and replacing injectors.
Hard shifting tranny when cold points to a clogged filter, stuck valve or bad tranny fluid that doesn't like to flow when cold. Sounds like it need a servicing.
These are common problem areas that are easy enough to fix.
This is the wrong type of injector and problem for that matter. Ultra sonic works (rarely) with the older P&B design but you already know that being that you do "R&D on large diesels", right...?
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From: IA MN SD
Is the SES light on? If so, what codes are present?
Do you know your coolant temps and oil temps when the engine is fully warmed up?
Start by posting the codes, and your coolant and oil temps, so we can get a better handle on your situation. Then test your FICM (should be a how-to in the sticky thread at the top of this forum) while you wait for comments.
Do you know your coolant temps and oil temps when the engine is fully warmed up?
Start by posting the codes, and your coolant and oil temps, so we can get a better handle on your situation. Then test your FICM (should be a how-to in the sticky thread at the top of this forum) while you wait for comments.
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Go to a different dealer. You can pull the spool valves apart and ultrasonically clean them, but watch the spool itself it is directional. They are usually gummed up and only move about .018".
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Thanks for all the advice, been to 2 dealers they were on his side but Ford said no (woman on the phone sounded like Lily Tomlin with the one ringy dingy two ringy dingy). Don't have a scanner to read any live data, just generic codes. Ford didn't give us the codes that were set. He already bought the Bulletproof kit and I have the engine apart to install, he was ready to buy injectors but I wanted to check just in case. I pulled them all out and cleaned the nozzles, it actually does work as these are smaller versions of the ones we are testing. They coke up after about 70 hours running power and fuel flow are low at rated speed and load clean them up and everything back to normal. I'll post after to see if it made any difference. Tony
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I'm confused, first you said you could suspend just the 'nozzle' an in ultrasonic bath but then said that you had to take them apart? How did you take them apart and put them back together and time them correctly without a test stand? If you took them apart why didn't you clean the spool valve not to mention the rest of it? Why would you clean the 'nozzle' when the 'nozzle' isn't the problem, being in 'r&d' you should know exactly where the problem is especially since "these are smaller versions of the ones we are testing"...Right? With your 'r&d' "experience" I'm surprised you missed the aforementioned...
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