6.0 Chat Thread - Page 2488 - Ford Powerstroke Diesel Forum
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post #24871 of 34061 Old 05-21-2018, 06:20 PM
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Originally Posted by mpholland View Post
If you are referring to Bend, OR, I would check out Henderson Flats in Culver. It is a large trail area and has lots of room for any size rig combo. A big plus is they are very close to Hwy 97 so you don't have to travel 50 miles through the puckerbrush to get there. I buy my grass and trees from a nursery located near there. Not far from here, but probably a bit over a half hour north Bend.
We are looking for a place we can drop the 5th wheel, preferably a camp ground I suppose. But also take the rzr out and hit some breweries or something around town in the evening. Something centrally located lol.

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post #24872 of 34061 Old 05-21-2018, 06:33 PM
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Got it to all.

I understand now that it isn't so much the delta test but the specific temp behavior that you don't like. The CEL makes it easy to fixate on the delta test, but - again - that's not what you have going on.

What is the specific DTC that gets tripped that causes the CEL to display? I'd be interested to pull up the Ford OBD diagnostic doc for your model year to see the criterion that is being used to trip the code. That might shed more light on this.

Regarding my "contributing factors"...

It seemed to me that you weren't likely to have one huge problem but, rather, some little issues adding up. Even new thermostats can be crap. The behavior of the 6.0 cooling fan appears to differ truck to truck. ...and I have seen first hand an exhaust leak contributing to an increased delta by a small but measurable/predictable amount. Those mostly jumped out at me for their respective reasons.

Anyway... please post the code. I'll post the criterion and source document.
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post #24873 of 34061 Old 05-21-2018, 06:56 PM
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Originally Posted by djmaguire View Post
Got it to all.

I understand now that it isn't so much the delta test but the specific temp behavior that you don't like. The CEL makes it easy to fixate on the delta test, but - again - that's not what you have going on.

What is the specific DTC that gets tripped that causes the CEL to display? I'd be interested to pull up the Ford OBD diagnostic doc for your model year to see the criterion that is being used to trip the code. That might shed more light on this.

Regarding my "contributing factors"...

It seemed to me that you weren't likely to have one huge problem but, rather, some little issues adding up. Even new thermostats can be crap. The behavior of the 6.0 cooling fan appears to differ truck to truck. ...and I have seen first hand an exhaust leak contributing to an increased delta by a small but measurable/predictable amount. Those mostly jumped out at me for their respective reasons.

Anyway... please post the code. I'll post the criterion and source document.
I just went out and pulled the following codes:

P012F
P2290

The first one is for the ECT/EOT correlation. The P2290 is for the ICP switch. I had a new Motorcraft ICP installed which I purchased from a local dealer in Feb of this year and it started acting up and cutting my truck off when idling after it got warm. I suspected a bad pigtail and replaced it (also with the Motorcraft version) but it would still jump from 0.24 to 5v KOEO. I checked resistance on all 3 wires all the way back to the PCM and they were under 1 ohm so I took the sensor back. They replaced it no problem and when I put the new one in it worked like a champ. I don't think it's ever idled as smooth as it does now. I think the code was left in there from when I was doing some troubleshooting. Forgot to clear everything prior to leaving out for my trip to the mountains.
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post #24874 of 34061 Old 05-21-2018, 07:49 PM
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Okay... what I wanted to find - but didn't! - was document called the 2005 MY OBD System Summary for the 6.0L Diesel Engine. Ford produces one virtually every year. ...but I cannot find one for 2005. I can find a gasoline engine version for 2005. ...and I can find a diesel version for every other model year. But, I cannot find the 2005 6.0 doc.

The reason that I wanted it was to see the specific criterion that causes a P012F to trip. To give you an example, I will attach the 2006 MY doc. Look at page 19 and you will see what causes a EOT sensor code to trip. Precisely. Way cool info.

Anyway... the only reference that I can find to P012F is on a TSB. Very vague. I attached it. I thought that I remembered the code referenced in a Diesel Talk Live presentation but have not found it.

Earlier you were asked about how your sensors were on a cold soak. I know that they checked out good. But... sometimes sensors work at low temps but not high.

I had an EOT sensor that would jump 20F at full temp but read normal at low temps. Since we know that P012F is connected to the ECT and EOT sensors *somehow* (o_O), you may want to use the PC/ED Pinpoint tests to make sure that those sensors are okay.

I will look again for the P012F criterion tomorrow. It's complete BS that the entry and triggering conditions are not spec'd somewhere.
Attached Files
File Type: pdf 2006 MY OBD System Operation Summary for 6L Diesel Engine.pdf (464.5 KB, 135 views)
File Type: pdf Ford TSB09-24-3 - ECM Update for Various Issues.pdf (53.1 KB, 77 views)
File Type: pdf Pinpoint Test K - ECT Sensor.pdf (138.5 KB, 19 views)
File Type: pdf Pinpoint Test L - EOT Sensor.pdf (290.7 KB, 27 views)

2004 F550 CC Lariat
BPD oil cooler relocation and upgraded EGR cooler (spooled), BPD oil bypass filtration, aFe Magnum Force CAI, Mishi radiator, 7.3L fan clutch, EC1 ELC, XDP coolant bypass filtration, '08 trans pan/filter, PTP direct clutch solenoid, blue spring, 6.4 starter, MBRP y-pipe, BD boots/clamps, '05 intake elbow, ccv reroute, Torque Pro + OBDLink™ LX, Autometer EGT
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post #24875 of 34061 Old 05-21-2018, 08:27 PM
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6.0 Chat Thread

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Originally Posted by Z28SB350 View Post
Ok so I performed the swap. I used pulled the oil temp first- good suggestion! I also noticed that my oil temp sender was a new one. I had forgotten that I replaced it along with doing the oil cooler relocation. At any rate- I continued the test and then did a road test. Sustained at about 85 mph with my 16' trailer it leveled out at about 231 EOL / 208 ECT. In conclusion- the sensors seem to check out just fine- what else you got? (and thank you for your help thus far)


Your deltas do not seem out of line to me. I mean, you are pulling a trailer and doing 85mph, with oil temps at 231. Try checking deltas at 60mph unloaded, after a good warmup, and see what it is. My oil always runs warmer towing, or hauling butt.

Looks as if I was late to the game....treed majorly.
I would think that your fan or thermostat shouldn’t be an issue, because your ECT is in range.


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post #24876 of 34061 Old 05-21-2018, 09:31 PM
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just a thought and i am kinda thinking this may have been addressed previously, is so forgive me day lae and dollar short to this party...
what are you using for an oil filter?
i know you have the bpd relocate oil cooler but if you have the original oil filter set up still and are not running a racor or motorcraft or a select few others that actually work on these trucks....
could it be your oil flow is slightly restricted causing higher then "normal" oil temps?

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post #24877 of 34061 Old 05-21-2018, 10:46 PM
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I have a bpd kit and I'd be happy with this guys temps LMAO.
Your temps dont seem out of line imo at all.

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post #24878 of 34061 Old 05-22-2018, 09:22 AM
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Anyone use trailer legs or tire saver ramps/blocks for their trailers?
These trailer legs seem sweet. Holding the wait on the axles instead of the tires/hubs/bearings but WOAH MAN are they proud of them.
https://www.etrailer.com/Trailer-Jac...6-TRLLG-4.html

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post #24879 of 34061 Old 05-22-2018, 09:26 AM
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They are only as good as the surface they are on... hot pavement does not appreciate them.
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Quote:
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So says the internet... ...and so it shall be.
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Originally Posted by G8orFord View Post
OK, thanks for the info. To show my ignorance, what is the problem with 3 nipples...
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post #24880 of 34061 Old 05-22-2018, 09:59 AM
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Quote:
Originally Posted by djmaguire View Post
Okay... what I wanted to find - but didn't! - was document called the 2005 MY OBD System Summary for the 6.0L Diesel Engine. Ford produces one virtually every year. ...but I cannot find one for 2005. I can find a gasoline engine version for 2005. ...and I can find a diesel version for every other model year. But, I cannot find the 2005 6.0 doc.

The reason that I wanted it was to see the specific criterion that causes a P012F to trip. To give you an example, I will attach the 2006 MY doc. Look at page 19 and you will see what causes a EOT sensor code to trip. Precisely. Way cool info.

Anyway... the only reference that I can find to P012F is on a TSB. Very vague. I attached it. I thought that I remembered the code referenced in a Diesel Talk Live presentation but have not found it.

Earlier you were asked about how your sensors were on a cold soak. I know that they checked out good. But... sometimes sensors work at low temps but not high.

I had an EOT sensor that would jump 20F at full temp but read normal at low temps. Since we know that P012F is connected to the ECT and EOT sensors *somehow* (o_O), you may want to use the PC/ED Pinpoint tests to make sure that those sensors are okay.

I will look again for the P012F criterion tomorrow. It's complete BS that the entry and triggering conditions are not spec'd somewhere.

Thank you for digging into this! I knew there was a wealth of knowledge out there and I have no idea why it took me so long to get in here and try to learn something from you guys. Since I've already replaced the original EOT- I'm just going to buy another and replace the older one. I agree that it probably won't help much but at least it'll double (or triple) confirm that that isn't a problem. I will also take a look at the pin outs and try to get some readings for both temp senders. Couldn't hurt. If you do find any other docs on the P012F- please let me know. I'd be very appreciative!
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