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[FIXED] 2007 E-450 V10 misfire

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26 Jun 2019 12:57 - 20 Jul 2019 13:31 #31064 by PDM
[FIXED] 2007 E-450 V10 misfire was created by PDM
So I volunteered to diag the chruch bus... Commuter bus with only 45,000 on the clock. I just put a scanner on it during my lunch break.

Fault Codes(9)
P0300-FF CMDTCs
Random Misfire Detected
P0303-FF CMDTCs
Cylinder 3 Misfire Detected.
P0306-FF CMDTCs
cylinder 6 misfire detected
P0316-FF CMDTCs
Misfire Detected on Startup (First 1000 revolutions).
P0460-FF CMDTCs
Fuel Level Sensor A Circuit
P2196-FF CMDTCs
HO2S11(Heated Exhaust Oxygen Sensor Right Upstream) not switching correctly. Sensor indicates rich.
P0300 pending
Random Misfire Detected
P0303 pending
Cylinder 3 Misfire Detected.
P0306 pending
cylinder 6 misfire detected

MIL not set

First, the o2 responds to a snap throttle but only ranges from 300-700 mv. At idle, it slowly switches from 300-700 mv. Bank 1 sensor looks normal. I'd say it needs a sensor and is unrelated to the misfires.

I can feel a multiple cylinder miss at cold and hot idle. It also misses on throttle tip in. (In neutral, I did not drive it)

So, all that to say that BBB now sucks and doesn't have an Ignition or Injector wiring diagram for any Ford V10.
Can someone post the coil and injector diagrams for me please? Thanks
Last edit: 20 Jul 2019 13:31 by PDM.

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26 Jun 2019 13:06 #31065 by Tyler
Replied by Tyler on topic [FIXED] 2007 E-450 V10 misfire
You ain't kidding. :angry: BBB has nothing for this van. Nothing engine performance related, anyway. Hopefully someone else has access to SI for you.

Going for the low hanging fruit, I'd chase the tip-in misfire first. A primary ignition waveform from the coils will expose any weak coils/plugs. Once you gather enough evidence for more than one ignition problem, it's easier to build a case for replacing all coils and plugs.

The rich code is weird. :huh: And it doesn't explain the P0303. I'd be interested to see what a VE test says at WOT.
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26 Jun 2019 13:08 #31066 by chief eaglebear
Replied by chief eaglebear on topic [FIXED] 2007 E-450 V10 misfire
hi sir im not sure if o2 has bias voltage on a ford if you unplug sensor while backprobing you might get a bias voltage which should verify wires to computer also I would encourage you to give a little more info as far as engine size and year of vehicle sometimes we need to check for pertinent tsbs which may give direction because I am not sure of engine banks and stuff the nisfires may be all on one bank which sometimes gives direction I will help you as much as I can as it is an honorable thing to volunteer on anyone ones equipment the lord will thank you your reward will be heaven

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26 Jun 2019 18:46 #31073 by Crombie
Replied by Crombie on topic [FIXED] 2007 E-450 V10 misfire
I just was looking at a Ford 6.8L V10 firing order, from the front of the vehicle on the left starts 1-5 and the right side starts 6-10, so 3 and 6 appear to be on different banks. That was 2009, only by searching a browser

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26 Jun 2019 19:37 #31076 by jreardon
Replied by jreardon on topic [FIXED] 2007 E-450 V10 misfire
i.imgur.com/idnqRPN.jpg

File Attachment:

File Name: 2007FordE3...Lv10.pdf
File Size:332 KB
Attachments:
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26 Jun 2019 19:57 #31081 by PDM
Replied by PDM on topic [FIXED] 2007 E-450 V10 misfire
Thanks friend

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26 Jun 2019 20:02 #31082 by PDM
Replied by PDM on topic [FIXED] 2007 E-450 V10 misfire
Tyler, I’m headed in the exact direction you described. Rail pressure is good, so the tip in miss has me headed to ignition first

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27 Jun 2019 07:02 #31098 by PDM
Replied by PDM on topic [FIXED] 2007 E-450 V10 misfire
Edited to add DTCs

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27 Jun 2019 13:29 #31124 by Tyler
Replied by Tyler on topic [FIXED] 2007 E-450 V10 misfire

PDM wrote: Edited to add DTCs


WHOA WHOA WHOA :angry: YOU ADDED A P0316?!?!




Kidding! :silly: You're certain to find a bad coil or two now.

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27 Jun 2019 13:35 #31125 by PDM
Replied by PDM on topic [FIXED] 2007 E-450 V10 misfire
LOL. Minor details :whistle:

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06 Jul 2019 19:21 - 08 Jul 2019 10:30 #31464 by PDM
Replied by PDM on topic [FIXED] 2007 E-450 V10 misfire
Nothing like a good visual inspection. I was afraid this guy had caused some damage but a test light on the coil negative wire shows everything in tact and computer has control.




All coils check good at 0.6 ohms. But this shows coil 6 is dead. Trigger on coil 1




Coil 3




This was an easy one but it still feels good to collect this kind of dada for a DIYer
Last edit: 08 Jul 2019 10:30 by PDM.

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06 Jul 2019 19:23 - 08 Jul 2019 10:31 #31465 by PDM
Replied by PDM on topic [FIXED] 2007 E-450 V10 misfire
With two dead, what would you guys recommend? 10 coils and plugs?
Last edit: 08 Jul 2019 10:31 by PDM.

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07 Jul 2019 09:33 #31476 by Noah
Replied by Noah on topic [FIXED] 2007 E-450 V10 misfire
10 coils can be costly, but so is a tow truck :)
It really doesn't have the miles to necessarily need all the coils either.
I guess it depends what they want to spend on the van.
I wouldn't be ashamed to do just the failing coils, all the spark plugs and just a good visual of all the coil boots while you're in there. The plug wells collect crap like it's their job so I like putting a squirt of dielectric grease in the boots during assembly.

"Learn, apply, repeat."
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07 Jul 2019 09:38 #31477 by Tyler
Replied by Tyler on topic [FIXED] 2007 E-450 V10 misfire

PDM wrote: With one dead and one going bad, what would you guys recommend? 10 coils and plugs?


Every time. I used to sell individual plugs/coils, but got real tired of the "comebacks" when a different one would fail. Now they all get a set Motorcraft plugs and Denso or Motorcraft coils.
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07 Jul 2019 11:22 #31484 by PDM
Replied by PDM on topic [FIXED] 2007 E-450 V10 misfire
I agree Tyler. After thinking about it, I’m pretty sure others are going bad based on the struggle to rev in neutral

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07 Jul 2019 11:59 #31486 by PDM
Replied by PDM on topic [FIXED] 2007 E-450 V10 misfire
Noah, also the coils are under the fuel rails and the cab may have to be lifted too. That alone is a good reason to do all

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08 Jul 2019 10:33 #31541 by PDM
Replied by PDM on topic [FIXED] 2007 E-450 V10 misfire
Edited to fix my blunder in saying 3 was going bad. Not sure what I was thinking there. It has a shorted secondary or plug

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