Need Help with Code P012F Oil Cooler - Ford Powerstroke Diesel Forum
LinkBack Thread Tools Display Modes
post #1 of 3 Old 06-30-2014, 03:53 PM Thread Starter
Join Date: Apr 2010
Posts: 33
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Need Help with Code P012F Oil Cooler

The wrench light came on intermittently on a recent road trip so I asked a tech friend to check it out. The result was a P012F code. He said normally, it could just be a sensor but the truck was very low on coolant (close to full before I left) less than 450 round trip, and only hauling a Harley in the back, no trailer.

The Truck has 144,000 on it and just had the Turbo cleaned. Tech suggested an EGR delete but Bulletproof Diesel recommended against that.

I don't plan on keeping the truck forever, but I don't want to have to replace the oil cooler and EGR cooler again in a couple of months. Can anyone please point me in the right direction as to exactly what I should do, as well as the most cost effective place to purchase the parts etc....The Semi bulletproof kit is around $975 from Bulletproof diesel, and comes with an OEM oil cooler and upgraded EGR cooler. I appreciate any advice anyone can give.

Thank you,

tieguy77 is offline  
Sponsored Links
post #2 of 3 Old 07-02-2014, 10:34 AM Thread Starter
Join Date: Apr 2010
Posts: 33
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Anybody? Checked the EGR Valve and no evidence of coolant.
tieguy77 is offline  
post #3 of 3 Old 07-06-2014, 09:09 PM
Compression Ignition Addict
Join Date: Jul 2013
Posts: 184
Thanks: 2
Thanked 12 Times in 11 Posts
Mentioned: 0 Post(s)
Quoted: 1 Post(s)
Feedback Score: 0 reviews
I'm assuming you have the 6.0, just from a couple of your past posts.

I would start by eliminating the cheapest issue, which could be as simple as a cracked degas container or a faulty cap. You may just want to take the degas bottle out and check it. It takes about 20 minutes. A new degas cap is 10$. Also make sure you have the correct fill line. There is the one etched on the side of the older containers, then there should be an updated sticker on the side. I would only fill to the MIN line.

Then I would check your oil and coolant deltas. If you don't have a Gauge I would just get the cheaper ScanGauge version which is around 100-150 bucks.

Next I would do a PSI gauge test on the coolant. You can get the parts for about 50$. Your PSI should be below 10. An increased PSI could be from bad coolant, too much water in the coolant, ruptured EGR cooler, plugged oil cooler, bad headgasket or cracked head.

If you in fact need a new oil cooler and EGR I would do (and have done) the BPD egr cooler and an OEM ford oil cooler. I would stick with an OEM cooler and not do the aftermarket coolers.

1-2 weeks prior to your oil cooler swap I would go ahead and do a full flush using restore and restore plus. There is a stick on it in the 6.0 section. It takes a good 8-12 hours to do correctly.

I would probably do the cheaper bypass coolant filter ($140) as well.

The above should fix your issue as long as you don't have blown headgaskets or bad heads.

Hope that helps some.
Seattle60 is offline  
Sponsored Links

Quick Reply

Register Now

In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome