Injectors went bad after oil change? - Ford Powerstroke Diesel Forum
Powerstroke.org is the premier Diesel Truck Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 09-04-2009, 05:02 PM
Powerstroke.org Rookie
 

Join Date: Mar 2009
Posts: 24
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Injectors went bad after oil change?

We bought this used '04 6.0l. It has 75 k miles on it.

As in buying a used truck we started to service it.
it may have had a bad injector when we bought it, but couldn't tell for sure. It was pretty faint.

Now we changed engine oil to Mobil Delvac 15w40. We changed air, oil and fuel filters to Motorcraft from the ford dealer.

It had other brand filters in it before and not sure what oil.

We also filled the fuel tank and used the Ford Fuel additive.

Now we have 3 bad injectors, 1,3, & 7.

I have read where they may stick and is there anyway to unstick them?
Would an oil additive work like Lucas?

Am I way off base?
Maybe we did something when we washed off the engine?

Any help appreciated.


thanks
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2  
Old 09-04-2009, 05:10 PM
Powerstroke Techie

 

Join Date: Jun 2008
Location: Brampton, Ontario, Canada
Posts: 2,584
Thanks: 0
Thanked 1 Time in 1 Post
Feedback Score: 0 reviews
I would start with the simplest and easiest fix, and that would be to have it reflashed to the latest and greatest most current calibration? How was it determined that cylinders 1, 3 and 7 were faulty?
Reply With Quote Quick reply to this message
  #3  
Old 09-04-2009, 05:27 PM
Compression Ignition Addict
 

Join Date: Jul 2009
Location: Jefferson, Ga
Posts: 673
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
If it was injector codes from the buzz test one of the 3 IDM plugs may have become unhooked.
Reply With Quote Quick reply to this message
  #4  
Old 09-04-2009, 05:49 PM
Powerstroke.org Rookie
 

Join Date: Mar 2009
Posts: 24
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
It was checked with an OTC Gensis scan tool. It comes up as those 3 cylinders failed contribution test.

It is sparratic, number 7 came up by itself first run, then 1 &3 & 7
Then just 1&3, Then just 1, now all 3 are up again, but it never ran any better or worse.

It passed the buzz test.

No other engine related codes.

Looks like the PCM was flashed twice, that last one was still a couple years ago. Just hard to imagine an oil change could start all of this.
Reply With Quote Quick reply to this message
  #5  
Old 09-04-2009, 05:53 PM
Powerstroke Techie

 

Join Date: Jun 2008
Location: Brampton, Ontario, Canada
Posts: 2,584
Thanks: 0
Thanked 1 Time in 1 Post
Feedback Score: 0 reviews
Does the scan tool read live data, or just pull codes? If you can read live data, access FICM_L, FICM_M and FICM_V readings. What readings do you get, at key-on/engine-off, while cranking the engine over, key-on/engine-running and when you rev it FULL WIDE OPEN THROTTLE to 3800 to 4000 RPMs?
Reply With Quote Quick reply to this message
  #6  
Old 09-04-2009, 07:05 PM
Powerstroke.org Rookie
 

Join Date: Sep 2009
Posts: 9
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
I am having the same problem. I bought a f350 6.0 with 79000 on it about 2 months ago. Changed the oil and filter and fuel filters, drove it 2 miles and started running bad. lots of white smoke and will not run over 2700 rpm.
Reply With Quote Quick reply to this message
  #7  
Old 09-05-2009, 05:54 AM
Powerstroke.org Rookie
 

Join Date: Mar 2009
Posts: 24
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Quote:
Originally Posted by m-chan68 View Post
Does the scan tool read live data, or just pull codes? If you can read live data, access FICM_L, FICM_M and FICM_V readings. What readings do you get, at key-on/engine-off, while cranking the engine over, key-on/engine-running and when you rev it FULL WIDE OPEN THROTTLE to 3800 to 4000 RPMs?
Didn't do the engine cranking.

But, Key on Engine off. L=12.48 M=47.92, V=12.48
Engine running L-13.48, M=47.92, V=12.98
WOT L=13.48, M=48.42, V=13.98

So what does that tell me?

Thanks,
Reply With Quote Quick reply to this message
  #8  
Old 09-05-2009, 12:52 PM
Powerstroke.org Rookie
 

Join Date: Mar 2009
Posts: 24
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Okay update.

I changed oil out for ****s and giggles. We swapped to havoline 5w-40 synthetic.

So we fired it up, ran the piss out of it and now the injectors seemed to have calmed down with maybe one still missing.

But now it smokes really black all the time, light throttle or not.
New code, crank position sensor.

Why am I getting all of these codes out of the blue?

I have focused on the engine codes,but here are all of them, or most of them.

P0720
p2617
p0307
p0683
p0263
p0269

Not sure what to think, should I throw a crank sensor in it? Will that make it burn so black?
Off to search now.
Reply With Quote Quick reply to this message
  #9  
Old 09-05-2009, 05:37 PM
Powerstroke Techie

 

Join Date: Jun 2008
Location: Brampton, Ontario, Canada
Posts: 2,584
Thanks: 0
Thanked 1 Time in 1 Post
Feedback Score: 0 reviews
Quote:
Originally Posted by Deib View Post
Didn't do the engine cranking.

But, Key on Engine off. L=12.48 M=47.92, V=12.48
Engine running L-13.48, M=47.92, V=12.98
WOT L=13.48, M=48.42, V=13.98

So what does that tell me?

Thanks,
Okay, well that tells me your FICM is good, unless FICM_M is decreasing to less than 46 volts and lower under any given condition. Typically, if it maintains 47.5 to 49.0 under all conditions, then that tells me your FICM is very strong.
Reply With Quote Quick reply to this message
  #10  
Old 09-05-2009, 05:54 PM
Compression Ignition Addict
 

Join Date: Jun 2007
Location: Albuquerque
Posts: 597
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 2 reviews
Send a message via Yahoo to chuckles
you said you washed it? Right. I bet your harness has a couple shorts in it and you got it wet. check your engine harness for shorts near the FICM, intake bolts, Crank sensor harness, EBP sensor harness, and where the harness connects up to the body at the left fender well. Wiggle it when it's running and see it it acts up.
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

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:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

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
Display Modes

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



All times are GMT -8. The time now is 02:14 AM.


Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.1
Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.

vB.Sponsors